At What Point is a Solid Cam Better Than a Hydraulic Cam??

I went from a voodoo 234 242 at .050. 513 533 lift to a hughes solid 237 242 at .050 537 542 lift and picked up 2 tenths in the 1/4. Cam is fairly quiet lash is .010 intake and .012 exhaust. I only run solids 340 street engine.