Is it worth it to save my money and wait for a 2003 WR/YZ 450.There are many low use 2001-2002 wr 426 for sale in my area for like 5500 to 6500 can. .The new WR 450f is like 10000. What should I do.Is the new WR/Yz that much better :confused: also can you add the auto des. and electric start to the older models?