Yeah, if its still going in the morning, I'd consider pulling the plug and trying again. It might be just far enough from the wireless router to get a signal but not transfer data fast. What step of the getting info screen was it hanging on (which one is not "done"?) Were the percents changing?
TiVo HD - Upgraded 2Tb - Connected via Component to Slingbox 350
TiVo Premiere - HD UI
Verizon FiOS Extreme HD - 25/25 - Free Showtime For 24 Months!
Netflix 1 DVD At A Time - Unlimited Streaming