Wow, I so feel this thread. I recall the letter about the husband and wife and the line "we are on our periods, but we will give you head..."
My favourite story was one where the writer and another guy and three girls play strip poker and the writer ends up losing his clothes and has to perform forfeits, eventually blowing the other guy while the three girls watch, it was well written an very hot...
I recall trying to find Variations repositories over the years so I could try to search for it...