Vudu  Pros: It's truly instant: Just pick your movie and press Play on the remote. HD movie selection is better than that of most cable systems—about 75 titles (out of 6,000 total)—and even SD flicks are upscaled to 1080p, making everything you watch on this device more or less HD-quality.  Cons: We experienced some freezing and other glitches in HD. And the XL model (which has a terabyte of storage) will run you a cool grand. Our recommendation: Consider supplementing the 250-gig version—good for about 50 HD flicks—with a cheaper external hard drive.  $295; $999 for Vudu XL, vudu.com
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