hey all, bought me first bike about 3 months ago but have bin ridin for woopies. got a yz 125 01, sick to death of it all ready! iv had a good ride of the 250f and the 426f, also had a good ride on a rm 250. not to sure to go for a bigger 2 stroke or a huge thumper. im thinkin of gettin a 450 of sum discription. was just curious as to what people thought of the performance diff of all the makes of the big thumpers, between 00 and 05. big arse thumper or the zippy 2 stroke?? all opinions are much appreciated. cheers.