Usb Tv-Tuner (1 Viewer)

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Ive been looking for a usb tv tuner for my laptop. I really like this form factor: http://www.newegg.com/Product/Product.asp?Item=N82E16815100142
Are there any tv-tuners like that that support Media Portal.

Also, many of the usb tv-turners supported by MediaPortal are dvb. Since I am in the usa, am I not able to to dvb things (I read that dvb was european). Can someone clear this up for me?

Thanks