I'd go with the 6.5 CREEDMOOR and a Howa 1500/Weatherby Vanguard. The Weatherby Vanguards I've seen and had have been reliable and the design is very good. They are the best rifle for the $, bar none. Forged bolt and receiver with an integral bolt handle and recoil lug. Their only shortcoming is they are a little heavier than some of the other rifle actions out there.
I'd take the 6.5 CREEDMOOR over the 243 WIN as the 6.5mm bullets retain velocity better than the 6mm bullets in most styles. Current selection of 6.5 CREEDMOOR isn't as good as 243 WIN, but what is there is great for deer hunting (not the target loads of course).