Hi everyone. I plan on buying a HD-TV for my XL-H1 this Christmas. Most TV's here are 1366X768. Is there much to gain going with a 1080P like this one ?

http://www.sonystyle.com/is-bin/%3EINTERSHOP.enfinity/eCS/Store/en/-/USD/SY_DisplayProductInformation-Start?ProductSKU=KDS55A2000&Dept=tvvideo&CategoryName=tv_ProjectionTVs_RearProjection_55to80TVs

Also looking for a HD video card with HDMI out that fits my PCI-X slot.
Any advice much appreciated :)