I am considering purchasing the LC-37GD6U or the LC-37HV6U. Does anyone think it is worth paying the extra $900 to go for the newer LC-37GD6U. From what I gather above the biggest difference is the GD6U has the cable card built in. It looks like the design is a little better too and from Sharps site it seems as if the screen maybe somewhat brighter on LC-37GD6U. Has anyone seen these two in person? I appreciate any help.