Some clarifications on Hugo's CES findings:
Sony:
Says it rips at 8x, but the one at CES only ripped at 2x (somebody timed it)
Seems to be able to load ATRAC files off the memory stick onto drive
Rips into ATRAC
I was told music wasn't getting off that drive
Will finish ripping CD after unit turned off. I assume you can rip while listening to something else.

Pioneer:
Must listen to CD while ripping - one rep said it'll rip CD, or sat radio
Will only rip RIAA CD's, probably must be in CDDB to be allowed to rip. A customed burned CD won't be ripped.
One person said it ripped to ATRAC, another said WMA