I think people are nuts to want to make marginal upgrades for guys like Butler. 3x the contract of a guy like Bradley and you're giving away a #3 overall pick? That's insane. We won't take significant steps by upgrading positions that are already our strong suit.
We need to get better at PF, Center, depth at SF, and another ball handler. I don't see great availability at PF/C this year in FA. We should not overspend on 30+ year old centers just for the sake of "fireworks." It's time to stay pat, draft BPA (this is a luxury that up and coming contenders get to have), develop our youth, and wait for a better crop of free agents to break the bank on.