i was looking at two pda's, the handheld!705, and m130. the m130 is in color and dosent have direct acsess to the internet. why does it cost more? which one should i buy? i have a couple other questions to. what are ebooks? and can a pda get hooked up to a phone and then be able to go on the internet for no extra cost? o, one more can both of those get aim and a keyboard? thanks