Hi, Looking at MBP 15", but undecided between two: * 2.66 GHz with the 256 Mb 9600M GT * 2.83 GHz with the 512 Mb 9600M GT I'm also interested to know if the MBP can be safely run with the lid CLOSED so it can be a desktop system hooked up to an external monitor, or whether this will make it prone to over-heating? Hoes does the battery deal with being on charge 90% of the time? It will spend more time in the office than on the road, but I want a portable computer as I need the performance wjen I do leave the office. With my PC notebook I used to remove the battery when not in use so it wasn't on charge all the time. Best regards, BigCatX.