2008, the Earth today maybe or that can be a way to much civs maybe... But what can I know, have never created scenarios.
Seconded! If someone can do it, I would kill for a really good modern day scenario or mod for BTS! The best year 2000 or later map I've been able to find so far is one for maxriga mod, which is for vanilla civ. No vassal states or anything.
As mattdawg420 said, this scenario/mod could focus primarily around the Arab/Israeli conflict. Possibly with Israel, Lebanon, Iran, and Syria being playable nations, Gaza and the West Bank being a furious Israeli vassal trying to get free, Iraq and Afghanistan being occupied by the USA, and Saudi Arabia being a US vassal.
Other than that, there would be a number of interesting ways to play it. You have India and China as developing empires with populations that dwarf the current military powers (USA and Russia), with the potential to dwarf their production. The two are potential rivals for influence in south Asia, and there has been hostility between these two countries in the recent past (war in 1962). China has the potential to get into an arms race with the US, and the two are struggling against each other for influence and resources in the weak African and Latin American nations. Venezuela is gaining power in Latin America, should probably have control of Cuba (in the name of limiting civs), and has a very hostile Columbia on it's border, which should probably start as an American vassal. Brazil has the potential to develop in to a major power. The US is still the dominant financial power by a great deal, has a vast superiority in naval and air forces, and a slight nuclear advantage over Russia. However, their ground troops should be close to being stretched due to all of their deployments. China has the biggest land army, but they are older, weaker units than the US has.
If anyone is thinking about making a scenario or mod like that, please do! I would help working on it but I can't wrap my head around making these things. I do have a reasonable knowledge of history, geography, and current geopolitical affairs, so if any modder (is that a word?) is looking for advice on how to make a scenario more interesting or realistic, I could probably be of some help there, and would be happy to do so.
I think if someone is going to do this right, they may as well do it on the biggest map possible. So, let's think about how many nations you would have to make playable to make this thing close to perfect. Unfortunately offhand I'm not sure how many civs you can have. I just started playing BTS, I think it's 27 but I could be way off.
USA (controls Iraq, Afghanistan, Philippines, Diego Garcia, South Korea, Taiwan, collection of Pacific Islands; Hawaii, Marianas, Samoa, etc). Iraq and Afghanistan should include a couple fairly strong barbarian cities, so the US forces could take some hits. The barbarians could have troops throughout that US controlled region, possibly some type of special forces unit even. Damn this could be cool.
Canada
Mexico
China
North Korea
Russia
European Union
UK
Eastern Europe (Non-NATO/EU countries... Poland, Ukraine, Belarus, Latvia, Romania, Serbia, etc)
Israel
Palestine (Gaza and west bank)
Turkey
Egypt
Iran
Syria (could possibly be merged into Iran, since they have a mutual defense agreement)
Lebanon
Saudi Arabia - (Could include the group of other American client states in the mid east. Could make this include Jordan, Yemen, UAE, Oman, Kuwait, Qutar. This group could be one civ with Saudi Arabia, or one of it's own.)
Pakistan
India
Sudan (almost forgot about that one, have to have conflict going on there, maybe with and independent Chad or a weak west African union.)
Venezuela (controls Cuba, maybe Bolivia)
Columbia
Brazil
Argentina
So that's 24, 25 if you make Chad, and you have most of the major conflicts very well covered, now all you really have to figure out is how you want to cut up the rest of Africa and South East Asia. Obviously this depends on how many civs you want to include. I wish I knew the max, something is telling me 27, which doesn't leave much. It would be sweet to have at least an independent Vietnam, Myanmar, and Thailand, along with the ASEAN controlling Indonesia, Malaysia, Singapore, etc. In Africa, you'd probably have to make a pretty good sized African union since civs are limited. It would be nice to have at least an independent South Africa and Nigeria, in addition to Sudan and Chad, which should start at war. Obviously Egypt is there too and could probably cover a little more ground than they really have. You could make countries like Eritrea and Somalia into strong barbarian states.
There are a few nations I listed above that you could merge if you had to, to make SEA and Africa better. Maybe Syria into Iran. Mexico into the USA. UK into EU. Argentina could be merged with Venezuela. All of these would take away from realism but could be done if needed.
Here's a good resource for anyone wanting to make a modern civ like this, it's a list of the world's current militaries by troop size.
http://en.wikipedia.org/wiki/List_of_countries_by_number_of_active_troops
Honestly if anyone is willing to put in the work to make this thing, I would figure out exactly how many of each unit to give each country, based on their real army, naval, and air forces.