"The PSP may not be perfect, but it's far from a failure, even if it hasn't managed to knock Nintendo off of its lofty perch in handheld gaming.
Sony's console has sold nearly 25 million units worldwide. To put that into perspective, the original Xbox sold 24 million units in its entire five-year lifespan."
"In two short years, it has gone from being a non-entity in the handheld market to a worthy competitor, capable of competing on some level with seasoned handheld pro Nintendo."
"Reason 1: Improved services
Reason 2: PSP games are getting ever better
Reason 3: PSP is getting cheaper"