When I researched these frames the Philips had the best LCD screen / viewing angles of all of the "affordable" brands out there.
Check Philips support page for firmware updates on their photo frames; Easiest way is to search by model number (7FF1CMI/37)
http://www.support.philips.com/support/html/indexusen.html
Too bad Apple doesn't make a wireless digital photo frame which automatically syncs with iPhoto...