I've never had one though I've wanted one. Just FYI, LA lists them as "expert only" so they may be difficult to keep:

http://www.liveaquaria.com/product/p...325&pcatid=325

Here's a good thread on RC that talks about it:

http://www.reefcentral.com/forums/sh....php?t=1492655

It sounds doable but you need to have the right setup. Big tank, lots of flow and you probably want to qt since they're prone to ich.