The new dashboard came out on the 19th November.
Its
The New Xbox Experience. It took some time getting used to but i love it now
The shape of the xbox at first does seem pretty bulky, but you get used to it. I would recommend you lay it flat if possible as I have heard that the fans provide better ventilation with the xbox laying flat.
About games, COD:WAW is pretty awesome, the new Nazi Zombie map is a lot better than the shipped one, so I highly recommend that.
If you like shooters, get Gears of War 2 aswell. Thats one of my favourite games. When it was first released, the online play was laggy as hell, so many glitches and just basically sucked, but since the new Title Update 3, it has drastically improved and is really fun now with the new 1-100 leveling system. If you buy a new copy of the game you will get a free Flashback map pack code, but then there are also 2 other map packs available; Combustible, and Snowblind, both of which are pretty awesome
Resident Evil 5 is also a great game if your a fan of the series xD
Another game coming out in June which I have pre-ordered is
Prototype. It just looks super bad-ass.
COD:MW2 (Modern warfare 2) is coming out this november so I recommend getting that aswell if you like COD:WAW.
Also feel free to add me if you like. Gamertag is Jimboodude. Have fun