When your at the ELO I brought myself to (word to the wise, don't play with friends if there is over 100 ELO difference), people who are "forced" into the support role either troll or leave. I've fulfilled the support role in many games as non-standard champs and dominated (Singed support ftw) when my only true support was Soroka and I hated her, still do. The type of people who would use that excuse though aren't smart enough to pick a champ who could work, and would rather ruin your game than try to win.
And thanks. Justin on the LoL sig thread made it for me.
He did a fantastic job.