For discount tools; power, hand & cordless diy and contractor tools:

Tools at Overstock.com Takes you directly 
to their bargains on power and hand tools and accessories for both around the home and 
on-the-job.

Tool King, LLC Check prices on large selection for woodworking , mechanics and automotive.  Top name brands for the more serious user.

Northern Tool   Tools at discount for diy & the contractor; also power and cordless units with a full line of brand names.  See clearance, red hot deals and sale section.