The American software totals aren't up anymore, but I remember a couple of weeks ago they were. Back then I calculated the total number of games sold per system sold and the PSP was at 3.75 and the DS was at 3.6. Proportionally, the PSP may not have many million sellers, but software-wise it's still selling games at about the same rate in the Americas. So Shams, software sales aren't abominable at all on the PSP.
My Top 5:
Shadow of the Colossus, Metal Gear Solid 3, Shenmue, Skies of Arcadia, Chrono Trigger
My 2 nex-gen systems: PS3 
and Wii 
Prediction Aug '08: We see the PSP2 released fall '09. Graphically, it's basically the same as the current system. UMD drive ditched and replaced by 4-8gb on board flash memory. Other upgrades: 2nd analog nub, touchscreen, blutooth, motion sensor. Design: Flip-style or slider. Size: Think Iphone. Cost: $199. Will be profitable on day 1.
