It seems that the major manufacturers are reducing the variety of loads they they offer in 270. It also seems from this thread as if your retailers may be further reducing that variety by simply not stocking much.
Good enough reason for a non reloader like yourself to take the 270 off the list. Forget cheap. Cheap doesn't outweigh potential ammo supply issues. (and the 270 is a noisy, blasty thing with full power loads)
Are there still restrictions on military calibres in someparts of Europe ? If there are, is that an issue for you ?
Perhaps worth amending your list of options to 308, 30.06, 7 x 64.
Good variety of loads made for all three, with very high quality projectiles available in factory ammo. I would expect 7 x 64 would be pretty easy to get in the UK, although it is not common here. Very little choice in factory ammo for 7.08.
Another thought: Many rifle manufacturers use the same length action for 308 and 30.06. Tikka is an excellent example. This means that a 308 weighs exactly the same, and is exactly the same length as a 30.06 in the same model. Ditto for 7x 57 - it's invariably offered in an action would just as easily accomodate the 7 x64, which has a greater variety of factory loads.
All of these cartridges are ample for the deer you mention, and all will blow foxes into tatters with the appropriate projectiles.
Should you ever take up reloading, the 308 is a sweet, flexible, and very easy thing to load for.
Your choice will match up nicely with your 223 and your 204 - Enjoy
