It's a good idea. It's useful to increase backlinks to get reciprocal links from high pr website. But your website page rank is 0 so it's be hard to find high pr backlinks so you should also invest some money.
A gaming laptop mush have a nice screen 17" is enough and it must have enough memory and speed for wonderful performance. I think ASUS G73JW-XA1 is perfect laptop for gaming but still you can make comparison and little research through online sites.