Best Buy has posted its Black Friday Preview. A selection of doorbuster deals start at 5 pm local time on Thanksgiving and run through 1 am on Black Friday morning. Stores then re-open at 8 am on Black Friday for another round of doorbusters. (Tickets will be handed out up to two hours in advance for both these openings.) Many of these deals will also be available online. Notables:

Panasonic TC-50A400U 50" 1080p LED LCD HDTV for $199.99

Beats by Dr. Dre Beats Solo HD Headphones for $79.99

SanDisk 128GB Cruzer Glide USB 2.0 Flash Drive for $27.99