Some can be good, but they are fairly out of date now, you really need to do research to find a good one. Checking website reviews on them is always the best idea first.
There are many recommended electronic brands that make good wireless home theater systems. An example of one of these brands would be Sony who make high quality products.
Bose manufactures very high quality sound system, including wireless systems. To see what is available and compare prices, look at http://www.bose.com. good quality high maybe??
Anything that accepts a AIR-SA10 adapter. Then you can make most systems wireless
7 to 10 inches would be a good size for a wireless portable tv. Larger sizes than this would invalidate the portability aspect; smaller would strain your eyes!
A wireless microphone and light are indispensable. The light makes videos clearer and more color rich. The built-in microphones of video recorders are good, but an external microphone gives much better sound.
The Numark PT01 Portable Turntable is a great option. It offers excellent bang for the buck, is very lightweight and portable, and the sound quality is fantastic.
ADT sells very good wireless surveillance systems. They range in price from a couple hundred dollars all the way up to several thousand dollars depending on how many features you want.
You can get things like a DVD player, Blu-Ray player, HD cable box, wireless players, game systems, surround sound systems, etc. for your new TV, depending on your budget and use.
I do not know of any companies that install wireless surround sound for you. Regarding placement though, I think you would put them in the corners of your car, as that's what generally gives you a good surround sound experience.
You can find portable GPS systems at many online stores. Amazon.com sells many different kinds in all price ranges. Newegg.com is another good place to check out.
One accesorie that is good in a Laptop if this dont have webcam is the Logitech Pro Cam For Notebooks, its the portable version of The 9000 Pro and is one of the best. Another Accesorie is the Creative '''ExpressCard Sound Blaster X-Fi Xtreme Audio Notebook for a HI-FI Sound. Beside this, you can give a Wireless Mouse, there are many in the market. '''
Before you go shopping for portable speakers, it is important to think about when you will most frequently use them. Some portable speakers may sound good, but also can still be bulky to transport, and vice-versa. Be sure to pick out the speakers that meet both your sound quality specifications, as well as are easy to transport.