Dice: inspiron 1720 is not same HW as XPS; they can only go up to 8600 gfx vs 8700 minimum for xps.
That being said the inspiron 1720 is a good laptop and I would sell you mine…. but Liam already bought it. There are some really good deals for them on the dell outlet (www.dell.com/outlet) and you can get the standard dell warranty with them. Also note that under business dell notebooks, the Vostro 1700 is IDENTICAL to the inspiron 1720, except in color, so just get whichever one of those is cheaper.