The article mistakenly refers to an SPE as "the group of all SPUs", which is incorrect. An SPE is a single element that contains an SPU, a MFC, and some RAM.<p>It (Geohot's work) is an impressive achievement but the magnitude of what's been achieved has been blown completely out of proportion, including by Geo himself. It's akin to picking the lock on a bank door - you might be in the bank but there's a whole host of bigger locks waiting before you even get to the vault.