I'm sorry you had an unacceptable email exchange with us. We've since dealt with the issue on our end, hopefully we won't run into it again.
That being said I think if I were in your shoes I'd do the following:
Buy a G20SF or G21SF Gen3 model, buy a longslide from us and use it with joyous content until the point we bring out our large frame Timberwolf frame (early 2013 likely). Then when you have our frame and our slide you can put your OEM Glock back together and sell it off for nearly what you paid.
I've got a message out to our Armorer (who provided the pic I already posted) to see if he can snap me a pic of a longslide on a Gen4 frame for you. When I have it I'll come back and post the pic for everyone to see. You can visualize it as a longslide is just a bit longer on the dustcover area. A Tactical Slide (which is what's in the pic already posted) is a 5.32" barrel and the longslides use a 6.02" barrel to give you an idea how much longer the slide would be.
If you have any more questions feel free to ask.