The drive itself is great, it's a fairly average piece of kit. HOWEVER be warned! There are no open source BluRay players yet, this in itself is not an issue, except all the current software available is totally rubbish! With DVDs you can skip your way through those annoying copyright notices and those unskippable trailers thanks to gems like VLC or mplayer - with bluray, not so much. When Disney insist you must sit through trailer after trailer and a dozen legal notices, you have to put up with it. Also, PowerDVD (which is the software packaged with the drive) turns off 'aero' (the transparent bit in Windows Vista/7) whenever you play a BluRay, this itself is extremely irritating. I have a feeling this may be a DRM requirement.
To purchase software to fix the last issue listed above will cost more than the drive itself. No matter what internal drive you buy at the moment you will have the same issue. If you have been on the fence, I suggest waiting another 12 months until the software situation improves.