Hi.
I've been planning to buy a cheapo beginners set just to get our drummer to try just that. The drummer is a heavy hitter and sometimes he's just too loud for the occasion.
The good e-drums are far too expensive for my (our) needs and the drummer just bought a really nice brand spanking new Tama shell set and the cases too so he won't be buying any sets in the near future.
I sometimes miss the Pearl World double BD set I had as a kid even though I never learned to play that well.
The problem I see with the e-drums is that there's the below 500€ POS and above 2000€ pro sets and really nothing in between. At least not used

.
A word of warning to all the folks who have never played live with an eDrummer before and are thinking to go that route with their band. Be prepared to have about 1kW PA addition to the current one for the small/medium venues and about 5kW more for the larger ones. And I mean REAL watts and a REAL PA, especially the subs

. If You don't use in-ears, the wedges will have to be quite a bit beefier too.
So in all, my simple calculations have made the e-route twice as expensive as the trad. route

. I think it's definately worth it though, don't get me wrong.
Regards
Sam