I have a 6br heavy gun that was built by Fred Moreo at Sharp Shooter Supply using the "new" Savage target action. Once I rebarreled it with a Shilen select match, it shoots tiny lil' groups out at 600 yards. I had no odd experiences with scope mounting. My action is a left bolt right port. I'm working on another one in 30br at the moment, myself. I doubt that it will quite match the one Fred built though, as he installed and adjusted his new BR trigger in that one. The stock Savage accuthingy does not begin to compare. I'll be using a trigger assist until I save up enough to have Fred install his trigger.
I thought I'd better add for the information of those folks not all that familiar with Savage receivers, that there are different shapes and mounting hole spacings on the older and newer rifles. As an example, a mount taken off an older (pre-accuthing-pre-centerfeed) model 12 will not fit on a brand new one. Also, being the internet, we might also want to be sure to mention that long actions and short actions are not going to take the same mounts. Here are a couple sources for quality scope mounts and rings that are made for various Savage actions.
http://dnzproducts.com/index.php?main_page=page&id=4
http://www.kenfarrell.com/