If you’re in the market to buy an HD TV, then I’m sure you’ve found out there’s a lot more to know about buying TV’s now than there used to be. Ten years ago, all you would do was to walk in the store, take a look at the screens, then buy the one that looked best to you. You didn’t have to worry about compatibility with various video game systems, Blu-Ray, even computers.

Well, things have changed. Now, you need to get a little education before you buy an HD TV. Let’s look at what you need to know.

Business travelers know that there are two important factors to take into account when a purchase is an ultraportable notebook needs. The first is that an ultraportable laptop should be small enough to carry around, if one is traveling, and it should be easy enough to cause physical pain at the end of the day. The second consideration is functionality. Most ultraportable laptops get stripped down to a minimum, functions as a sacrifice to size and weight, but they shouldnevertheless contribute to the business traveler work if he or she is mobile.