If you know what weight you're comfortable with, don't stray too far from it. Couple of ounces heavier is alright with a bat that picks up well, but you're still swinging more weight than normal. Remember going through Kookaburras in a shop a few years ago when they were all ridiculously high middles and trying to find one I liked the pickup on, I normally use 2.10/11 (new, one grip, no scuff etc) and had to go up to at least 2.15 before I felt like I was holding a bat at all, at which point trying to play a cut off anyone with a bit of pace would have been a waste of time.
How subjective it is makes buying based on someone else's idea of pickup a waste of time as well, can't count the times I've picked up teammates' bats that they think pick up beautifully and thought they picked up like a pig or others picked up one of mine that I think is pretty bottom heavy and they tell me how dreamy light it is. Recently had a few people pick up a couple of my bats and tell me how they can "barely feel it, must be 2.8/9 it's so light" - the two in question are big bottom heavy bats, a Nemesis at 2.12.5 and a low middled Puma weighing almost 2.14 with the grips etc on them. Just goes to show you can't trust a random opinion on pickup, particularly someone else trying to put a number on 'feel' weight!
That said, it's a good way to sell bats! Serious case of heart v head when picking up a 3lb Warbird at Uzi, was so close to persuading myself I could use it...