Just a head's up.
Obviously if you buy a PspGo before 10th October you get a free digital copy of GT PSP via downloading the GT theme off playstation store.
Also if you have a PSP 1000, 2000, 3000 and a umd then you'll have to Pop one of your UMDs into the drive of your current PSP and register on PSPgo Rewards when prompted then go and download a PSPgo theme and wait for your email voucher for your three free games.
There are seventeen titles to choose from, including Killzone: Liberation, SOCOM, WipEout Pure, Everybody's Golf, echochrome, LocoRoco and Patapon.
So thats 4 games already on your pspgo already if you fit into the criteria or you know someone who has a psp who wouldnt mind :)
Hope this helps!