The 13 inch MacBook can connect to the Internet.
Connect the PS3 to the TV and set it up. It's no big deal, mine was connected to a Sony BR6 52 inch LCD without having to make any adjustments.
Best buy offers a couple good deals on a TV. Can get a 55 inch 1080 P tv for only 500. Walmart also has a 50 inch TV for under 450 so either one provides a good deal.
To connect a microphone with an XLR output to a device with a 1/4 inch input, you can use an XLR to 1/4 inch adapter or a cable with XLR on one end and 1/4 inch on the other. This will allow you to connect the microphone to the device and ensure proper audio transmission.
Look on-line ! You'll never get as good a deal from a high-street store than you can get on-line. Try places like Amazon or eBay. I did a cursory check on Amazon for example, and found a 42 inch one for £389.
Not exactly, but you can still connect them with proper fittings.
To connect a microphone with an XLR output to a device with a 1/4-inch input, you will need an XLR to 1/4-inch adapter or cable. Simply plug the XLR end into the microphone and the 1/4-inch end into the device to establish the connection.
The best deals you can find on internet are on Amazon here is one example: http://www.amazon.com/Samsung-UN46D6000-46-Inch-1080p-Black/dp/B004NB13KI .
The Xbox 360 wireless adapter allows you to connect to a wireless router without plugging it in directly. You still need the wireless router, and the router must still be connected to the internet. So no. You cannot get free internet access through a two-inch usb device.
The current industry standard for pixels per inch is 240 by 480 because the internet has evolved a lot, just like humans. The internet is a cool thing to interact with.
To purchase a 50 inch TV at a great price might go to a store and go shopping at several local investigating its price, otherwise find internet via ebay or amazon and then buy it.
You can find a good deal on a 70 inch LED TV on eBay, or half.com, which are both websites with electronic sales sections. You could also visit a store and consult the employees, who would know all about TVs.