The cheapest Xbox 360 consoles can be purchased used from stores such as GameStop and auction websites such as eBay. Alternatively, you can purchase these consoles new from retailers such as Amazon.
The price of an Xbox 360 depends on the condition of it. A new Xbox could go for upwards of $300. A used or refurbished Xbox is a lot less. They could cost about $100.
buy a new one
eBay
The cheapest is Burst Limit at GameStop.
The 4G Xbox 360 model is the cheapest because it is stripped down. The PS3 has a 320 GB Bundle that is cheaper than a similar Xbox 360 and the 160 GB model is only $50 more than the cheapest Xbox 360 4G model and lower in price than other models
The price of an Xbox 360 depends on the condition of it. A new Xbox could go for upwards of $300. A used or refurbished Xbox is a lot less. They could cost about $100.
yes they can on another or new xbox 360
actually, it is. there are some people who can make a new body for the xbox 360 and they take apart the regular xbox 360 and put the body of the old xbox 360 into the new laptop shaped body. they buy a screen or lcd screen and put it on the new body. i tried making one but it didnt work out. i wanted a specialist to do it for me but it could cost up to 6000 dollars. the cheapest was 800. for proof that there is an xbox 360 laptop go on http://www.youtube.com/watch?v=3HlNEFq8y4w or for pics go on http://benheck.com/xbox-360-laptop-original
New games do work on an Xbox 360. This is, of course, as long as they are specifically Xbox 360 games.
eBay
If you are referring to an "older xbox" as the regular xbox, then the answer is no. but if you are referring it as the first models of the xbox 360, then you can play halo 3 or any new xbox 360 games on your Xbox 360.