Who has had good experiences with the Brawler series of carburetors?

It looks like Quick Fuel carries the Brawler line of carburetors. It surprises me that they look so much like the Holleys and aren't being sued for it. The Barry Grant carburetors had many Holley style components but at least they fancied up the float bowls and used an anodized cover for the secondary pod!
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I'm just so shocked at how expensive some of the fancier carburetors have become.
Quick fuel is OWNED by Holley. Unlikely to sue themselves.
Had a good... then bad.... experience with my 850 race brawler.