Re:"Well - in MY grammar class a long long long time ago, dear Mrs. Kriminger taught us never to end a sentence, or a thought for that matter, with a preposition"

Dear Shoshannah: Winston Churchill, whose English is almost univerally admired, had a hilarious sentence mocking the compulsion of avoiding sentences with a preposition at the end. I cannot quote it exactly, but it ends "....up with which I will not put."