Several pretty good games for the PSP system are now on sale for 50% off at PSN from now until November 4th. Included in the list are:
echchrome - $4.99 (reg $9.99)
Super Stardust Portable - $4.99 (reg $9.99)
MYST - $9.99 (reg $19.99)
Unbound Saga - $4.99 (reg $9.99)
Brain Challenge - $4.99 (reg $9.99)
So if you have been holding out for one of these games, now is the time to go grab them.