We do have Media Composer Adrenaline, but not sure if we have the card in which you speak (I’m not using that machine), but thanks for the info as I am sure we will be moving in that direction soon. For now we are just looking to take that footing and ingesting an SD signal. NO need to edit or output HD for now…
If your logo is just b&w you can just set the logo’s blending mode to multiply and and the white will drop out… but you might have already known that? otherwise all I know to do is to key it out with one of the keying filters in AE, it should key out easily if your white is even.