Here’s some fresh new PSP2 / PSP-4000 rumors via Pocket Gamer. They also seem to have an insider source working on the new PSP hardware that claims the PSP2 or PSP-4000 (whatever Sony want to call it) will have a sliding touchscreen and dual analogue sticks… Nice, like most PSP gamers dual sticks has been [...]

There have been further PSP2 / PSP-4000 rumors out there on the web lately, which now seem to point towards a 3G enabled PSP, surprisingly called a PSP 3G. Again this is a apparent insider source and not very creditable. However they claim:

The new PSP model will be called PSP 3G. Unlike previous PSP models [...]

VG247 claim to have a highly trusted source with info on new PSP-4000 revision. That the new PSP-4000 will have a sliding screen a complete aesthetic overhaul. Using the existing PSP technology so it won’t be a PSP2….
Much is now known by some parties of the console, which will be announced at either GDC or [...]

News going around that Sony is already working on a PSP-4000 and PSP2 have been quickly denied by John Koller of SCE.
He explained that it was a misinterpretation, and says that Sony is urging developers to move away from the UMD platform and onto digital distribution of games through the PlayStation Store. “No plans [...]

Not much in the way of PSP news. But here’s something for the old rumor mill thanks to Eurogamer.

Sony plans to refresh the PlayStation Portable product line with a PSP-4000 model in late 2009 and launch a true successor – a PSP2, if you like – later.
Publishing sources, speaking to Eurogamer, were unable to provide [...]