The negative is they can become addicting! I have swapped out barrels on 5 so far- two into 250 Savage (one lefty), one 7mm/08 (lefty) a 358 Win, and a 30/06 to 260 Rem (had a buggered 30/06 barrel and screwed in the 260 from an earlier swap).
Oh, make that 6- a lefty into 22/250.
I bought mine used so they have mostly been pre-AccuTrigger. The old model can be tweaked a bit to make a decent trigger if desired. The 22/250 has a AccuTrigger which was the reason it was chosen for the conversion.
My first experience with the AccuTrigger was on a 375 H&H. The trigger became inoperable from the recoil (I'm guessing as the gun was pretty light) and I replaced with a Timney. Worked well for a few hundred rounds more before I sold it.
