Best \'big\' 30 cal Hi, just found this forum a couple of days ago and i think i am already hooked! anyways, i have been looking to add a 'big' 300 to my gun vault. so far i have been leaning towards the 300 RUM. What rifle would you guys recommend? -OR- if there is a different caliber you would suggest what rifle then? Thanks, look forward to your input!