This is interesting, since I am geting the same printer with my new MBP, but it hasn't arrived yet. But I had an odd problem with my old HP1022 LaserJet, which worked perfectly on my old iBook. The HP software download said "Download Later", so I used the CD. It installed after a fashion, and fortunately it prints, but it has a generic icon from the printer utility rather than the usual LaserJet Icon. So there is something going on, but I don't know what. I am guessing that maybe the "Download Later" is in anticipation of Leopard which was delayed, but in reality I really don't know what's going on.