Why not get a TRoad? That is a great ball and will give you a different look than the TRoad Pearl and TI.
If you don't want to do that I'd probably get an Ultra Zone. How is your TRoad Pearl drilled?
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Equipment in Bag:TZone, Cell, Awesome Revs, Awesome Finish, Twisted Fury
Not in Bag: Fury x2, Fury Pearl TE, Rock On!, LT48