Sony this afternoon revealed that it would follow up its Cyber-shot updates with a trio of digital photo frames under the S-Frame label to showcase images taken with these and any other camera. The 7-inch DPF-D70, equally 7-inch DPF-V700, and 9-inch DPF-V900 (none yet pictured) all have 800x480 resolutions but are some of the few digital frames ca