Eagerly waiting for some swivel screen action on the upcoming Nikon D5100? Well my friend, you just got lucky, as said camera has just hit the shelves of Best Buy a few days early. The mid-range DSLR kit is now up for grabs either online or in stores for $900, but we expect Nikon to start shipping body-only options soon after -- Amazon and Adorama are already taking pre-orders for $800. Unfortunately, it looks like the accompanying ME-1 external mic won't be here until the original April 21st launch (or so we hope), but we'
