I'm currently looking at 2 cheap TV tuner cards that will mostly be used for converting VHS to DVD and occasionally recording TV programs to DVD. Found the resolutions for the asus card, but couldn't seem the find the resolutions for the Avermedia.
AVERMEDIA M791-B
http://www.ebay.com/itm/AVERMEDIA-M791-B-NTSC-ATSC-TV-TUNER-VIDEO-CAPTURE-DESKTOP-PC-PCI-EXPRESS-X1-CARD-/231932371942?hash=item36003f23e6:g:7rsAAOSwrXdXKPTG
ASUS COMBO-210E Rev 2.01
http://www.ebay.com/itm/ASUS-COMBO-210E-Rev-2-01-PCle-x1-ATSC-NTSC-FM-HDTV-Tuner-Capture-Card-/152105797764?hash=item236a364884:g:ercAAOSwUfNXSIT3
AVERMEDIA M791-B
http://www.ebay.com/itm/AVERMEDIA-M791-B-NTSC-ATSC-TV-TUNER-VIDEO-CAPTURE-DESKTOP-PC-PCI-EXPRESS-X1-CARD-/231932371942?hash=item36003f23e6:g:7rsAAOSwrXdXKPTG
ASUS COMBO-210E Rev 2.01
http://www.ebay.com/itm/ASUS-COMBO-210E-Rev-2-01-PCle-x1-ATSC-NTSC-FM-HDTV-Tuner-Capture-Card-/152105797764?hash=item236a364884:g:ercAAOSwUfNXSIT3