Well, didn't do any stop watch or benchmark tests, but after trying things it seems the SCSI2SD is just a bit faster so will probably go with that as my primary and rig the CF with the ACard 7720 adapter as my backup.
Now to get something rigged up for the mounting. Durham makes a nice front plate, but the danged thing doesn't have any mounting holes! What were they thinking? Just going to let it flop around in the case?
Oh well, the mad hacker strikes again!