Quote Originally Posted by iopq
I used to like 9 table NL25 full ring and I had a shitty winrate
when I dropped down to 6 I had a much better winrate
^^^^this

I never play more than 5 6max tables these days, and often drop one or two depending upon game conditions and my own mental state. I like having plenty of time between hands to review the action, type notes, etc. I think it helps me learn the game.