Superwinch, better reliability & construction, they use larger diameter wire ropes, better gear ratios, less amp draw & they put thimbles on their wire ropes.
If you decide to switch the wire rope to synthetic to save on weight, I recommend these guys.
4X4 Winch Lines at Winchline.com: Winch Line,Winch Ropes, Recovery Gear, Tow Rope, Synthetic Winch Line
I run them on my Tundra and my rock crawler.
Why Superwinch? - Superwinch
http://superwinch.com/UserFiles/File...asonEP_EPi.pdf
http://superwinch.com/UserFiles/File...mble_Sheet.pdf