I've just completed playing through the SOCOM game on my PSP. Overall I had a great time with the game - and they did a smart thing with the PSP-PS2 "crosstalk" feature, I am tempted to purchase the PS2 game to see how it works. I do find the controls a bit awkward. It's not the fault of the game, I think Sony should have went with a dual analog controller. The difficulty was just perfect for me. I am not a brilliant player, but I did manage to play through every level at 2nd or 3rd try. The story was a typical Tom Clancy-inspired terrorist plot.