I had a GTR promo 45 with a picture sleeve. I don't think I ever played it, but I may have. My best memory of GTR was a review of the lp that said "SHT." It was probably more cruel than it deserved, but as I recall this was post-Asia, and it seemed like there was a brief festering of bands with guys who were 70s hotshots now playing pop with Miami Vice looks.
I think early 80s pop was a nice period of catchy memorable music that appealed to a broad segment of the population. It was even better when prog dinosaurs were involved. Owner Of A Lonely Heart is just as good as Don't You Want Me Baby. I think it has been many years since the top 10 songs were actually well known, as Howard Stern started to have fun with a while ago.