If knology is all digital, you will need at least a DTA. If it still has analog channels, a TiVo 2 should be able to access them. No HD, but you can't get HD on a TiVo 2 anyway.
James L. Sutherland
"You know TiVo users. Bunch of b****y little girls" TiVoAxe
"Jessica Fletcher visits Midsomer. Carnage ensues!"