Webers are by far the best grill that can be purchase for under $300 anywhere.
The Whirpool oven or LG oven which is at a $300 price.
The Magellan Triton 300 Handheld GPS has many great features and you can buy one at The GPS Store online.
It's hard to get a decent elliptical trainer for under 300 dollars. By searching the internet you can find the best deal like the Image 7.8 Elliptical Trainer IMEL2194 from Bayou Fitness for 297.00 with free shipping. This elliptical trainer has good reviews making it the best choice for under 300.
LG Optimus One
TC is one.
Handheld shower heads can very greatly in price. They can range anywhere from $20 up to over $300. There are a lot of different features that can change the price of the shower head you are looking for.
I would say Acer and Compaq laptops are the best under 300 pounds. For Sony and Dell the price is little low. Their price range starts from 375 pounds. They have more quality than Acer or compaq.
The best HD camera for under $200 or $300 is the Canon PowerShot SX280 HS (as of 2013). The Canon PowerShot SX280 HS has a power zoom of 20x, a large LCD, and plenty of resolution for sharp photos.
An Xbox 360 without a hard drive or any games costs about $200. An Xbox 360 kinect bundle costs around $300. Also some special limited edition Xbox consoles and consoles with more hard drive space cost around $300.
Unless you are looking for a low quality television I doubt you'd be able to find a multisystem television for under $300. That is unless you don't mind if it's a used television or if you can catch one on sale at best buy or walmart.