Ratcheting wrenches AND reversible ratcheting wrenches. Plus the usuals, going to pick another complete set of 6pt sockets and I still lack some screwdrivers.
Oh and I purchased 14 sets (1/4 3/8 and 1/2) of the socket rails with retention balls- not the cheap stamped steel ones. First time in my life I've had enough rails for all my sockets, and then some to allow for growth also