also, i have a 1gb sd 1gb cf, wlan cf, bluetooth cf
sd is my main drive were i store everything. its full.
cf is my multimedia. i take pictures and i transfer them via cf adaptor from xd into sd card. and view them. i use sd as storage.
i can tranfer files back and forth like hardrives on windlows
i can use sd and bluetooth at the same time or wlan.
no wlan support on sd card though.
you can run 2gb cr or 4 gb cf cards...