I've done some walkways and walls and have always rented a saw to cut with. This coming season I'd like to buy my own but don't want to spend a whole lot of money on one since I don't do a lot of hardscaping. Would either of the two saws be worth buying to start off with? MK Diamond PX-3 - $453 http://www.toolsdirect.com/index.cf...nufacturer/MK Diamond/finish/NA&source=ptyhpi or Northern Tool Industrial Saw - $500 http://www.northerntool.com/webapp/wcs/stores/servlet/product_6970_200334493_200334493 MK Diamond gets great reviews and this saw would be easy to move around but I was concerned it may not have enough horsepower to cut stone effeciently. The Northern Tool Saw seems well built but I've never heard much about the quality of their tools and this saw would also be a pain for one guy to move around(the catalog said it was around 300# I believe). Any feedback would be appreciated.