I'm surprised you haven't needed something decent by now - spray can make short work of cheaper balancers.
I would add that not any SFI is a good unit. There are several non-SFI units I'd rather run over some of the Chinese SFI units. Grady and I both have Pioneer SFI units - great bang for the buck IMHO. Others like Romac or PP units (get your mind out of the gutter

).
Good luck.