Cordless-wise, I have B&D, Porter Cable, and Bostitch (drill and impact driver that they used to sell at Wal-Mart) because they are all electrically compatible SB&D products, requiring only a few kisses from a Dremel to interoperate like a single system. Also made an adapter for my ancient Ridgid X2 anchor, I mean DRILL; it was a gift and just sits on the shelf with a countersink in it, but it still works.
Got a little bit of everything for the woodshop, Wen jointer, Shopsmith planer, band saw, scroll saw, and Mark V, Sawstop Contractor saw, Harbor Freight Dust Collector.