I love the 270, and I wouldn't have a problem taking it for any game in North America.
The 7-08 is also an excellent round. At normal hunting ranges the 7-08 will do anything the 270 will and visa versa.
I don't know where the comment that the 270 kicks as much as an '06 comes from. I have both and don't find that to be the case, but neither are objectionable and I'm a wimp when it comes to recoil.
Here is a link to Midway for the Woodleigh Weldcore 180 grain .270 bullets. A well constructed 150 grain bullet will do just fine for the job but due to your friend and his guides fondness for ungodly heavy bullets here you go.
http://www.midwayusa.com/product/871...oint-box-of-50
And here is a link to the same bullet already loaded by Double Tap, just in case.
http://www.doubletapammo.net/index.p...product_id=545
I like the idea of heavy 270 bullets, but that's not one. It has a low BC for a bullet of its length and drops more then the 150 grn. bullets.
Look at the Matrix Ballistics bullets, their 165 gr. bullet has a BC of .650 but you need a 1:9 or faster twist. Most 270s are 1:10.
My Model 70 has a 1:10, I shoot the 150 IB or SST from Hornady. Accurate and stays supper sonic to 1500 yards (MV 1750).
The IB it pricy, but has the same BC as the SST, I use the SST for practice/Target shooting and the IB for hunting.
I would like to build a 1:9 270 so I could try the Matrix Ballistics bullet but I personally don't think its needed for hunting. Target shooting? it looks promising.