currently i'm planning on getting the timefactor & perhaps two overdrive pedals for lack of a stereo pedal. (fulltone ocd's perhaps) -- as another option i think about the kurzweil rumour & mangler frequently. perhaps i'd like to get a decent effects processor that would double as a vocal processor in the studio..
I have a few Devi Ever pedals, although not the Synth Mangler. I had another pedal for a while that used a similar circuit, wasn't my favourite, tended to be weak for line level signals. Although I really like the Devi Ever Aenima for distortion.
I would love a stereo analog delay, but I've never found one (either tape or BBD), not sure if one exists. The Timefactor is a really cool delay, for what it's worth.