[quote name='crzyjoeguy']i cant imagine that they would charge imediately, but im not sure as i have never pre-ordered from them, hell this is the first game ive pre-ordeed in atleast a year (exept for saints row 2), i cant even remember any others i have pre-ordeed, lol[/quote]
From Buy.com's Help section:
When will my credit card be charged? Credit cards- Since we don't think you should pay for your order until it is actually on its way, Buy.com will not bill you until your products, including backordered or preordered items, are actually shipped.
I'll probably pre-order RE5 from there myself, as long as they allow me to cancel if I find a better deal.