Psionic Bias?

[JoshuaZ]

What about bookkeeping? That has been my biggest issue reading the XPH- the powers look rather difficult to me, at least more difficult than most spells.

The only bookeeping is subtraction and deciding how much to spend on augments when you have the options. The bookeeping in that regard is simpler than Vancian magic. A wizard needs to keep track of every spell they have still prepared and how many copies of it they have. A psion needs to only keep track of 1 number.