I'm using the 2x4GB version (same stick) in my and my wife's PC. Except for that failure, I'm thrilled with them.
And...they run/are rated at 1.5v, none of that 1.65v stuff.
I don't know why they are priced so well (or is it everyone else is priced lousy?). If I hadn't used them in the past (PC133 @ 166 was awesome), I would have been skeptical. I know when I bought mine, they were hard to find (had to go to two different sellers).