Ehh. You know what, everybody has said "vendor XXX drives suck" at one point or another. The fact of the mater is, these are mechanical devices, and your mileage may vary. In my 15 years of computer-dom I have had one or more drives fail from ALL vendors. This includes IBM, WD, Maxtor, Quantum (now Maxtor), Hitachi, Seagate, Fujitsu. I have IDE, SATA, and SCSI interfaces, of all capacities, speeds, and traffic patterns. I have a 500Mb WD that has been in a computer for 8 years that gets turned on/off daily at least once or twice, and it still works perfectly. I have a 72G 15k Baracudda that lasted 2 days.
It's all luck of the draw. Each vendor at one time or another has bad drives, sometimes bad batches depending on time/place of manufacturing.
The key thing to concentrate on is resilience of your infrastructure. Whether you use RAID1/5 to provide it, or some offline storage medium (tape, optical, CD, CF). It all comes down to one things.... BACKUP you stuff if you want to keep it. If you you think it costs to much... then decide how much your frustration and time spent recovering is worth to you in dollars and act accordingly