Alpha Protocol v Splinter Cell

So i'm gonna get a game, because i'm a pretty hardcore gamer, but i have one problem, i don't know which to get, because they're pretty much nearly the same. I've got all the Splinter Cells whether on xbox, or xbox360 and i've completed them all. Now Alpha Protocol look similar, but i was wondering what do you lots think is the better game, or would seem the better game. The trailers are shown here:

I think that Splinter Cell looks pretty awesome. I saw it on E3 also. I was really impressed. I would say Splinter Cell because of the past and how well the others have turned out. Alpha Protocol doesn't look too bad either, but I think that Splinter Cell looks like it's the bomb.

So i did get SC, i fucking loved it! i completed it though