I went with cheap (aka doteasy). I have another web site hosted through ipower, and I love ipower, but doteasy was cheaper. Never really expected to run into bandwidth issues, but then again, I don't normally post a dozen different potential cover images over 2mb each and then ask a bunch of writers to check them out.
That'll teach me! Off I go to create a flickr account.
P.S. Uploaded them all to flickr