The 350 will be plenty for you so go get it you will without a doubt love it ,it rides great +good power i have a 05 and love it!!!! ive been rideing for a whille and i get plenty of frills out of it i just bought a gyt-r air filter for it and got a fmf race series silencer and a fmf titanium power bomb header for mine and it added a good bit more of bottom end to it so if you want more power get these few easy add ons and you will have no problem running with 400 ex's and 400 z's i ride with my freind he has a 400 ex and i have no problem leaving him and as far as the parking brake yea it has to be adjusted alot but come on now its soooo easy one little bolt about4 mins of work and i sure do wish i could have got mine for 4 grand around here which is alabama they are 5,300 at least [img]i/expressions/face-icon-small-smile.gif[/img] but anyways i hope ur happy with what ever you pick

 

With some simple mods the raptor/warrior can handle with the new 400's no prob. The best part is the turning radius, which is much sharper than most other machines. On trails they rock!