Well, seeing that it's possible that the peeps from TWC check out these forums I have one thing to say... please make the LDL on the HD channel single height. While the standard definition IntelliSTAR needs double height, the high def version doesn't need it and might never need it. Just my two cents.
What exactly is your definition of single height?
Making the LDL "single height" would mean taking off the extra blue portion from the bottom. For example, single height would look like this...
[LOWER DISPLAY LINE]
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Right Now > Washington, D.C. 72 (pic of sun) Sunny
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...while double height would look like this.
[LOWER DISPLAY LINE]
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Right Now > Washington, D.C. 72 (pic of sun) Sunny
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The extra space at the bottom is what makes it double-height.