Nearly all flat screen televisions sold in the last two years accept digital input, which is a good thing. However, there are two different digital standards to be aware of. HD-Ready gives 1366 x 768 resolution (which is 1366 columns by 768 rows) in a 10:6 aspect ratio closer to a movie theater. 1080p and 1080i use higher resolution, with 1920 columns by 1080 rows. The ‘p’ and ‘i’ means progressive and interlaced scanning, respectively, with the latter being the best possible resolution. A TV with either of these resolutions should be digital ready, but double check and read the small print; you may need to buy a digital TV tuner to plug into the back of your new flat panel TV if it’s not.
The reason why this matters now is three fold. First, HD-Ready TVs can be had for discount prices, often under a thousand dollars, fully digital ready. This is because it’s a stop gap to the higher resolution of 1080. Second, unless you have satellite TV, for the next two or three years, most (if not all) of the digital content you’ll be watching is formatted for the lower resolution anyway. Third, while the mandatory rollout for all digital...