I had a .307 Winchester model 94 XTR Big Bore once. They tend to be accurate and have more recoil than the .30-30 Winchester. For typical .30-30 ranges I do not believe the .307 has any appreciable benefits over the 30 WCF. The caliber did not "take off" for Winchester so they dropped it along with the .356, .375, and ,444 from their line up. I believe the .444 to be the best of the bunch for several reasons that I will not go into right now. Just think of the .307 as a .308 with a rim for all practical purposes.
Kindest regards,
Rifle Man