I'm assuming you mean the plain 'black' drive. I don't think the caviar name has been around for a while, but WD has the best warranty on their drives of any manufacturer (5 years on a black), so you'd be pretty safe. As far as 7200 rpm drives, i haven't really noticed much if any difference between models or manufacturers, i've got seagate, WD, Samsung, and others, and they're all extremely similar performance wise, i would say the WD i have a quieter than the others though.
Reviews are pretty skewed because most of the happy people who get a good drive are too happy using it to go write a review, while the angry people who get a lemon are angry and have nothing better to do than go write a flaming review; so even though a large...