The Sonics, while having a fairly high RG and small RG differential, have a decently strong coverstock. So it's hard to tell if you can still use a resin ball and there are several that are weaker than the Sonics. I kind of like the Dyno-Thane Barrage;with a slight shine over the stock ball, it goes very long on fairly dry lanes and stil hits resin-hard.
There are several new balls that may be as useful as the Barrage on fairly dry lanes: AMF Scamp, and the Storm Big Hit.
There are also several resin with the old fashioned, weak pancake core: Ebonite Tornado Warning and Storm's Hit series.
After that there's the pearl urethanes with dynamic cores; they don't go as long as resin but they have weaker backends: Visionary Slate Blue Gargoyle, Columbia Trooper, Lane#1 XXL.
Lastly, there's the Lane#1 XXXL, a plastic coverstock with a dynamic core.
An unknown quantity is th enew Visionary Centaur. I suspect it may be useful with a polish and pin above the bridge/ring finger, BUT that is sheer speculation on my part, as of this moment.
I suggest either the Barrage or the Scamp, as your next logical, "significant" step below the Sonic Boom. I have a 15 lb and a 16lb Barrage. I can vouch for them being below the Sonic Boom. As for whether it's enough below your Sonic Boom, for your dry and your hand, I can only guess.
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"We get old too fast, and too late, smart."
