Nimrod,
Your concept of Sako's actions is a little skewed. The L-46 action is a short action, .222,.222Mag, .223, it was updated to L461 (clip vs. magazine) and eventually to L469. At the same time there was the L57, 243, 308, etc. Then the L61 (long action). They have all been revised in one form or another to the AI, AII, AIII. The 75 is most modern version. In fact, before Sako had their own actions they made rifles using the world reknown FN Mauser Supreme action with their barrels. I think they called it the M74 Huntsman, or something like that.
All that being said, its a good deal. Buy the rifle and enjoy it. It will hold its value much better than most rifles.
Good shooting,
Jim