I have my third.. err, nope, actually fourth HP CD-Writer going
My first (2x) one broke after few months and I got new one from warranty, that also broke about month after the warranty expired, grrr

Then I got my third (4x) drive, that lasted pretty long, but finally broke (of course after warranty had expired). This 8x I currently have is thus my fourth, and my last may I say, Hewlett Packard CD-Writer.
Average lifespan for HP drives seems to be about a year, for me that is. With these four drives I've burned maybe 400 cd's, so I don't even use 'em much, and I treat them with extreme care.
This of course is just my bad luck, HP Writers should be good quality. But I'm going to switch for another brand.