A mediocre drive (516) does not mean Plextor drives are a scam... you are wrong here. I have paid more than 100$ less than one year ago for a Plextor Premium CDRW (NOT DVD burner!) and it has proved itself one of the best buys I have ever made: Flawless audio burns, superb audio ripping quality, duplicating virtually any CD-ROM based game (with BlindWrite).
512 was a great drive too... a failure like 516 does not mean much for people concerned about quality.
That said, I have bought a NEC 3500 AG, which I consider being an exhellent drive at a very reasonable price.
The revolution cannot be a lever, or an essay, or tablaeu, or embroidery. It cannot proceed mellowly, piece-by-piece, gently, devoutly, simply and humbly.
Mao Zedong