I would change the RAM and the HDD with this found money.
http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.628363
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231443
A bit pricey, I think it went up $5. Very good fast drive tho.
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136533
Or a good drive for considerably less
http://www.newegg.com/Product/Product.aspx?Item=N82E16822148697