for your information...i've heard a few people complaining that the RAT mice they purchased broke on them. i've seen them in person and i can definitely see why. either a low end razer or logitech g series mouse will probably last you longer. completely your choice though.
as far as mousepads go... what exactly is the issue that the RAT 7 has with cloth mousepads? i have used everything from trackballs, low dpi led, high dpi laser to high dpi led mice on both hard and soft surfaces and by far the best mousepads i've used are the cheap $USD 5 black foam/cloth pads you can get just about anywhere.
if you are dead-set on purchasing a hard mousepad then anything less than $USD 10 is should be more than sufficient. i've seen all the gaming mousepad products out on the market and it is a complete waste of money.
just a few thoughts on the matter.. i know i did not recommend anything specific but there really isnt any point in getting anything super special when it comes to a pad.