I just saw that today, but for some reason I can't seem to download the newer packs. There are a couple of old school Konami shooters and some classic Atari ones. Not so hot on the prices for anything on Game Room. I'm glad they let you demo all the games first, most of them don't play very well with a 360 controller and the sound on some of the games are all off, so needless to say I haven't paid for one game on that thing.
It could have been amazing. I actually wanted it to be more like PS Home where you could walk around as your avatar and visit you friend's arcade's and have two player battles, but it's just a crappy interface to play ROMS with.