We're glad you're back. I think you can easily tow pop up's,many hybrid TT's & even several fully enclosed TT's. IMO, I would stay under 6000 GVWR for the TT, just to be on the safe side. With that said, I'll throw out some mfr's website for you to surf:
. Our first TT was an Aerolite. Pretty decent for an entry level rv.
. I just think these are just too cute! (couldn't spell the name with the @, the hyperlink wouldn't work)
. Look at the micro lites, tent campers, expandables.
. Check out the Edge.
. Look at the Jayfeathers. Jayco has an excellent reputation.
. Bullet & Passport. Our 5-r was a Keystone. We really liked it.
. Crossover, Max Sport, Trail Sport.
There are so many out there for you to choose from. Have fun shopping & let us know if you have more questions.