first time?
set aside 90+ minutes for vents (clips can be a pita to get to)
doors 20 min MAX
cd player 10 min maybe (depends on how hard the staple is to get out
6x9s.. maybe 10 minutes.
as to how... for all but the 6x9s, you can search for my led install how-tos.
EDIT: got bored, i'll cut out the middle man and post these for ya.
http://www.aleromod.com/forums/showthread.php?t=8297
http://www.aleromod.com/forums/showthread.php?t=5350