Awesome man! I definitely agree with you there. I know Tamiya and Kyosho also got into the super sized 10th scales, I wonder if maybe it was the price of the kits? I've seen some of the old racing videos like the HPI Challenge and everything and it looked like a tun of fun!
At any rate there are groups of people out there that still run them, unfortunately they all live all over the place lol.
If you really want to pick up a Super E check out the Super Nitro RS4 thread on the rccaraction forums! Most of the time the guys list the chassis on there before sending them off to eBay or where ever.
Another place to check is eBay.de, I picked up my 2nd Super E chassis off there for a pretty cheap price. There is one listed every few weeks or so. Just make sure you message the seller in German to ask if they will ship to the states.