I agree with Buff. Based on my testing, if you want the ultimate in wadcutter accuracy, the HBWC is better, especially at 50 yards. The DEWC is fine for 25 yards, or if you want to shoot a hotter wadcutter load.
In my experience, you will get better accuracy from the DEWC if you drive it a bit faster than the hollow base version, i.e. bump the load up a bit from what would otherwise work on a hollowbase.
In my opinion, the HBWC got its reputation for accuracy because that's what the Bullseye target shooters always used. But they used it because a wadcutter cuts a full caliber hole, which might nick the next higher scoring ring. And it does this with about the lightest recoil you can get in a .38 Special, which helps the shooter in the timed and rapid fire stages.
Despite its reputation, I don't think the HBWC is the ultimate bullet for pure accuracy, although they are very, very accurate bullets. The RNL bullet (Lyman 358311) has always grouped better for me, but they make a dinky hole in paper and recoil more.
No wadcutter works well beyond 50 yards.