Are there any USB TV Tuners for the iPad?

Unfortunetly, there is currently no iPad TV Tuners out there, though it sounds like a great idea.

Update

Recently at Macworld, I found this company that makes a product to let you watch the TV channels you have in your house to stream to the iPad, here is a link to the product http://tvplug.co.kr/products1.php

No sadly there are not any. In the future somebody may invent one.

Since the iPad doesn't have a USB port that won't really work out anyways. I'm not sure if SlingBox has an App for the iPad but that's about the closest I think you could get to having a portable TV.

If you live in the UK you can use your iPad to watch live TV and on demand TV using BBC iPlayer for free (you have to have had paid TV licenses), but you can only watch BBC channels.

If you have EyeTv on the mac you can get the EyeTv app for the iPad and stream live TV from the computer, and watch recorded shows as well.

Not that I have been able to find. Your best bet would be to pay for Hulu Plus which is now only $8 a month(eat out one less time if you find that not worth the money). They also have a seven day trial. This is starting to sound like a advertisement. Anyway, that to me seems like the best way to stream TV but then again if you wait maybe if iTunes goes to the could then you will be able to play whatever you have bought as long as you have Internet.

Here is a forum talking about it but they never get anywhere: Click Here

You might like this if you live in the UK

If you have a TV tuner on your home desktop, you could install Orb. Then log onto Orb via your iPad and access the home desktop's TV. Viewing with the 3G connection is not always ideal, but wifi seems to work OK.