Crysis - a good laugh, but still completely limited. To be fair it's about as free roaming as fps's get at the moment, but when you have an island and you're still walking down a path it's a tad pathetic. Music was appalling, nearly ruined the game for me. Game seemed to peak half way through, then went horribly downhill, end was weak. Finished it after a couple of days, took it back to the shop for a refund.
COD4 - Not as good as 1 or 2. I appreciate the fact that they need to move ther series on, and this was one of a few possible advances, but it lacked the atmosphere it needed. WW2 leaves you feeling stranded, which is great for immersion in a game, in 4 you were always a minute or 2 from a heli picking you up. Stunning graphics, I prefered them to Crysis (but quite possibly because I could run this at a decent quality, Crysis struggled on medium for me!)
Assassins Creed - excuse the language, but shite (in a good ol' fashioned scottish accent!)