Did the lvl 24 respec last night. One tank, one scrapper, one controller, one blaster and one defender (me). Had three deaths (one of them was me). But finished it. Had one real hairy point in the reactor towards the end (both the blaster and I went down) but we made it through.
Difficult, yes, impossible, nope. And fun? Oh yeah.
(edited: it was sky raiders, my first respec, so don't know about the freak show)