In the market for a new TV? With the new models announced at CES in January finally poised to arrive in stores, now could be an ideal time to upgrade to a bigger set. But what size TVs are yielding the best deals? We analyzed the past nine months-worth of TV deals to find out what you should buy. 42" 1080p LCD HDTVs Overview: November and December are undoubtedly the best times to buy a new LCD HDTV. In any month, if you're strapped for cash, you can save roughly $100 if you choose to buy a 42" TV from an off-brand manufacturer. Brand name manufacturers like Sony and Samsung offered little deals; most sales came from Sharp (non-AQUOS), Toshiba's Regza line, and LG. Click here to see the latest deals on 42" 1080p LCD HDTVs.