I live in an apartment so my options were to get an electronic kit or... don't play drums. I picked up a DTXplorer for a starter kit, the built-in rhythm gate seems like a pretty useful learning tool. Nothing like a little biofeedback, right?
My teacher is an older session player who's had a long, successful career - and never used a rhythm gate. Also has no opinion on the subject.
I don't see much about them on this site.