Replay AV can be bought with Replay Media Catcher and some other programs in a bundle, however it doesn't guarantee you that you will be able to capture each and every stream.

Recording from Imeem is a real problem. Haven't seen any solution to this yet (except for using screen video capture software that loses some quality while recording).

Please be more specific and please post every URL from which you can't record. And I suggest you to create a separate thread for each problematic stream. But before asking a question, please try to record with WM Recorder and Replay Media Catcher. Both have free demo versions.

p.s. Replay AV has a 30-day unconditional money-back guarantee. If you don't like it, you can get your money back. And next time do not buy any software before trying it!!!