i am thinking about getting new wheels and am pretty sure i am going to go with the radenergie wheels. but i see that there are two models that look the same and cant tell the difference. the r10 is the diamond cut and the rs10 comes in silver, chrome or black. i cant tell what the difference is and why there is such a big price difference. i have searched both online and on the forum and can't find an answer. anybody know? also any advice about which wheels to go with?