Re: New Deer Rifle - Suggestions
If you insist on factory ammo, I would stick with 7mm Rem Mag or .270 Win. for reasons of ammo availability and broad choice of loads that will increase your chances of finding a factory load that your rifle likes.
If you handload, your options open considerably. In addition to the above options, .257 Wby, .264 Win Mag, 6.5-284, 6.5-06, and .280AI would all be good options.
I have a recent production Winchester Model 70 in .264 Win Mag. I like it a lot. If you shop around, you can find one for $700-$800. If you are not happy with the factory barrel you can re-barrel it for another $500 or so and still have enough money left over for a very nice scope.
If you are more of a push feed guy, you can do the same with a Remington, Savage, etc. A better option might be to buy one of the Remington clone custom actions (Stiller, for example), put a quality barrel on it and the stock of your choice. I would expect you to be able to do that for $2k ish, again with plenty left over for a very nice scope. A Nosler Custom Model 48 would get you to about the same place in terms of quality and cost.