Jumpalot,
I have bought and used several of the Timney's, all on Savage 110's. They were 100% better than the original trigger. Very easy and quick to install and adjustments, if needed, were easy, responsive and held.
I recently (Jan 09) bought a Rifle Basix for my Savage 12BVSS. The trigger went on and adjusted very easy with little to no hassle. It breaks cleanly, like the proverbial "glass rod" at 2.0lbs. I have tried to make it "go off" by accident or not cock by working the bolt fast, it does not happen. Very good trigger, again 100% better than the original. The rifle's original owner told me that a local gunsmith (Wa. state) had re-worked it. IMO, not much you can do with older 110 triggers except replace them.
I recently (Jul 09) bought a Shilen for my Remington 700P. Installation was not as simple as it was on the Savage, but other things come in to play like the bolt release/w spring and the original safety. Still it is easy. If you can take the old trigger off you can put the new one on. It's reverse engineering sort of. From beginning to end took approximately 30 minutes and no adjustment was necessary. It breaks at 1.5lbs like glass. I can't make it go off accidently either.
It does have a narrow shoe, compared to the factory trigger. It doesn't bother me though. I'd rather have a skinny Shilen that breaks cleanly and consistently that a fat OEM trigger that is unreliable and unsafe.
It is 120% better than "my" OEM trigger. I say that because normally a Remington trigger is pretty straight forward and easy to adjust. Most of the time it's reliable, safe and consistent. Every now and then you get one that's shoddy and will not respond to your shadetree, wannabe gunsmith. Sorry so long but hope it helps. JohnnyK.