I just placed an order for a 15" 1.67Ghz, 1.5Gb RAM, 128MB VRAM machine. I do a lot of travelling and battery life is a big issue for me. Assuming that now powerbooks ship with faster hard drives, which is gonna further eat into their usable battery charge, what is a realistic expectation of the charge timewise? 2hours max? People who already got theirs, could you please comment? Thanks! P.S. What's the deal with this "ship on or before Feb 24th"?