I'm after more aperture but I don't have the big bucks for the premium Dobs (or SCTs). I am seriously considering getting a basic 12" Dob or OTA and converting it to a truss Dob. I was thinking of getting a basic GS Dob from Bintel, but as luck would have it, they only sell Deluxe models as of recently. But I already have all the extras so the Deluxe is not worth the extra cost for me.
So if you have a basic 12" Dob or OTA with GS or similar quality optics that you don't want any more, I'd be interested to hear from you.