Just in case anybody was interested, the serial #'s are legit. I registered on Blizzard's website and downloaded D2/LOD and I'm playing just fine on Battle.net. Currently using a Paladin (just in the 20's level-wise) on the US-West servers. No problems at all :D
starcraft: "I and every PS3 fanboy alive are waiting for Versus more than FFXIII.
Me since the games were revealed, the fanboys since E3."
Skeeuk: "playstation 3 is the ultimate in gaming acceleration"