Mm, good point. WebStorm performance is good, but IDEA is noticeably slower. I haven't used PyCharm yet, so it's possible performance could be a pain point there. I find myself firing up Webstorm instead of IDEA due to slower IDEA indexing.
FWIW Cursive is a bit sluggish to start, but after it's done indexing it feels like the best Lisp development environment ever made.