hey, i just wanted some opinons on the Ruger New Vaquero SA Revolver... im thinking about getting the 5.5" barrel... havnt decided what finish to get... anyone shot them??? whats a good caliber to get??? .357??? .45??? the largest caliber ive shot is a .38 special... but im not afraid of a little recoil though... any advice or recomindations would be great... im not trying to have to spend over $650 but i want a Single Action Revolver... thanks