Timelapse photography is kick ass and I am all for them, but I wonder if dedicating an entire computer for this task along with the camera is the right way of going about it (unless overkill is the motive). How about a more compact/cheaper solutions such as an intervalometer for dslr (buy or build one), or if you have a canon p&s camera using the CHDK firmware project http://chdk.wikia.com which offer the intervalometer feature....