As Quicken points out, don't worry about burn-in.
You can get a 50" GT30 or a 55" ST30 for $1500.
The GT30 shares the exact same plasma panel and AR filter with the ST30, but adds:
- THX Mode (not as special as it sounds, especially if you end up doing any kind of calibration)
- slightly better black levels (both excellent)
- narrower bezel with a silver outer trim surround
- thinner rear cabinet and bezel
- 4 HDMI inputs (all mounted on the left side) compared to 3 on the ST30
- VGA PC Input (but limited to a 768p signal so it's fairly useless)
If I were choosing between the two, especially considering that they are at almost the same price, I'd be springing for the ST30. The 5" is a lot of extra real-estate and the increased size will have the biggest impact on viewing experience.
The cheapest retail price I can find is at
Visions @ 1,498.00 until Nov. 9th. Sears has it @ 1549.99 but I'm sure they'd be happy to price-match, along with any other dealer you can find with the 55" ST30 in stock. The cheapest online I can find is
Electronics For Less @ 1,427.00. You may get lucky finding a retailer willing to match that price as well.