Ceton via Amazon offers the Ceton InfiniTV 6 Ethernet TV Tuner, model no. 5304-DCT06EX-ETH, for $199 with free shipping. That's $5 below our February mention, and aside from the mention below, the lowest total price we could find by $147. This TV tuner allows for watching/recording up to six HD cable TV channels simultaneously and features mini USB and Ethernet.
A close price: Newegg sells this tuner for $199.99 with free shipping.