Antony Blakey doesn't think it's quaint, and he's got some very cool looking ideas getting fleshed out:

I finally have a (semi) working version of MirrorImage, including a subsystem that exports all of the packages in my image as MI projects. I've included a screengrab of a portion of Glorp.Cache at the end of this post. I've published the code and I'm planning to update it regularly from now on. It is currently usable as a way to do Ruby-like development in Smalltalk, and does fix-and-continue, although currently you have to edit the code outside of VW and synchronize - MI performs incremental, transactional updates from the filesystem to the image. I'll post a run-through soon.