Oh, I lucked out a bit on the Mac purchase. I called MacMall because you can usually save a few dollars by buying from them, but they didn't have the models I was interested in in stock. It had never occurred to me to go to BestBuy, although there's one right near me. They turned up in a Google search, had the models I was debating between in stock, and even had MacMallish prices ($50-60 less than retail). When I checked their website on Thursday they had a 3-day sale on and the price was considerably lower. Yay!