I really don't know too much about this sort of thing (I'm female, forgive me
) but is the speed of opening files, opening safari etc influenced by memory or the processor speed? I'm looking to buy a 24" imac eventually but I will not be doing too much high intensity stuff, mostly word, itunes, net surfing, a bit of photoshop and thats about it so I'm wondering if I'm better off getting a lower end imac if that will be ok for me