found a good writeup on all the apps of this kind.
http://forum.xda-developers.com/showthread.php?t=496296
apparently redfly doesn't have screenshot or copy/paste from pc-ppc/ppc-pc (at least as of march)
I do agree that mymobiler is sluggish, but I only used that when I was s2u2 skinning. and every great once in a while since, but I guess you get what you pay for..