For the 1TB I generally put in order WD Cav Black > Sammy F3 > SG Cudda.
That is also the price order.
I'm glad you posted though because I always re-research to make sure I don't make a total jacka..something of myself.
Apparently I've got my order mixed up (performance not price wise), atleast according to bit-tech's Iometer results.
Review - Samsung Spinpoint F3 1TB Review | bit-tech.net
I think a lot of people were turned off to Seagate because of the failure rate of the 7200.11.
Apparently things have been fixed with the 7200.12 and they're undercutting the F3 by ~$5 to get customers back.
I'm not sure where exactly the Cav Black falls, but reading the 1TB is under-performing compared to the 2TB.
By how much I can't say
but I would assume its still on top of the pack, if even by a very small margin.
Regardless, the drives all have similar performance and, with exception of the 7200.11, decent track records.
Probably going to start suggestion the Barracuda 7200.12 now
*Edit - Always reading.
The Cav Black (1TB) is still missing from most comparisons, but a lot go:
F3 = Cav Blk (2TB) > 7200.12; or F3 > Cav Blk (2TB) > 7200.12
Honestly its mostly benchmarks, in real world application I doubt you'd notice much difference.
I do feel justified in suggesting the F3 though, as it is a fair price for a good drive.