ReplayTV RTV5516 160-Hour Digital Video Recorder
Not sure of 5504 but 5040 rules
I just ordered my 3rd ReplayTV. I currently own the 5040 series. The absolute only issue I have had is over the last 2 year period I have had to reboot one of the units about 2 times when streaming between replays. Overall, it has been amazing. I know of at least 6 other families that now have these units based on my recommendations. These units are so amazing that I have just ordered my 3rd, and this one is the 5504. I will be streaming between 3 rooms in the house plus my computer can also stream the shows, so in essence I have 4. <br /> <br />As far as cost, each replay unit after your first is only $6.95 per month/each for the subscription. And as far as all the Networking issues, mine have all been rock solid and a child could have set them up. Pick up a few Belkin F5D7230-4 (2000 model) wireless routers for $25 bucks (mine were free after rebate) and turn the bridging mode on those routers connected to the wireless Replay TVs  and you can stream videos anywhere in your house if you don't have a LAN setup throughout your house.