What are you planning to shoot with your 270? The Winchester 150gr Power Point is widely considered a great load for the money. Should be more than ample for deer.
If you want a really potent load check out the Federal High Energy cartridges. They are spendy, but they come in two versions, a 150gr Sierra Game King or a 140gr Trophy Bonded Bear Claw. How does almost 2000 ft/lbs of energy at 300yds sound to you? We chronographed the 140gr at 3300fps at the muzzle. Gonna use this load on moose in a couple of weeks. If the moose gods are smiling on us we'll let you know how it worked.
I would say the 270 is fine for moose. My cousin/hunting partner shot two moose with his this year. The first, a bull was at 80 yds, the second, a cow was 400. His first shoot went through both lungs. He was shooting 150 gr Partitions that I loaded up at 2650 fps. I am only SLIGHTLY jealous.
Let me start off by saying that I am a scaredy cat.
For someone that spent 3 years in 82nd Airborne jumping out of all manner of military aircraft, my friends find this ludicrous - but... it is what it is!
Climbing stand? Yep, still scared - put me up 15' and that is about it.
Ladder stands? I am better in these - but still cautious.
Chain on stands? Used to love them, now they terrify me.
I was once ridiculed for putting chain on stands waaaay too high - some of my friends...