t30 troubles

hi all,
i'm a bit of newcomer to digital photography and would be grateful for some advice regarding a few problems i'm having with my new sony t30.

problem 1) when i import photos taken on the t30 into iphoto they seem a lot duller and more drained of colour than they look on the camera's small display. is this something to do with the method of importing? or is it just that the brightness/resolution of the t30's display make the colours look more vivid?

problem 2) (which may be related to problem 1) when i tried to edit the jpegs in photoshop it said there was a problem with the embedded RGB colour scheme or something...i tried to get the message to pop up again when i opened a newly imported image but obviously i've permanently changed the settings as they now open without a problem. the reason i raise it is in case it is relevant to problem 1. could it be the reason the photos don't look as good on the powerbook?

thanks for reading, any answers would be much appreciated.