Why is it so hard to get good advice !!???

It seems that everywhere I turn, I get conflicting advice.
I'm trying to get the 493 to run right on pump gas. It currently has 10.7 compression with aluminum heads and the cranking compression is between 210-220. The cam is the MP 292/509. I have a 727 with a 9 3/4" converter and 3.91 gears.
The general consensus on the various web forums is that this engine CAN be street friendly with the right cam. Everyone so far agrees that the cam I have is too mild for the engine size and it traps too much cylinder pressure. Time after time I have read that I need a bigger cam, or more accurately, a cam with a later intake closing event.
I want the car to run strong on 91 octane fuel without detonation. I want power and reliability. I may drag race it some day, but 99% of the use will be spirited street fun.
I bought some 1.6 rocker arms to increase my lift from 509 to 543. Of course this means new/different pushrods. As I was getting ready to measure them, I wondered if I should just go ahead and change camshafts. One cam that looks interesting is the Comp Cams 294H. It has 250/256 degrees I&E Duration @ .050, ..553/.558 lift with the 1.6 rocker arms. This gets me within the .600 limits of the springs in the heads. I spoke with a guy at Mancini racing and he liked the cam, but he also liked the idea of using a thicker head gasket to lower the compression. This makes the THIRD time a "tech" guy on the phone has suggested a thicker head gasket. EVERYONE else online thinks that the thicker head gaskets would reduce the quench effect and make the engine MORE likely to detonate. I was slow to catch on but I am now thinking that the theory of quench may have merit.