Erson Cams Quality Discussion

I used a tq 20 also liked the way it pulled ...I used it because the shop I had do my mach work recommended it..he bad mouthed a major competitor ,so I went with it erson....liked it ...he called it a quality cam...I didn't have any problem finding erson on the net..i am replacing the tq20 with something else[sons idea]and found the sight that described the tq 20 tq 40 and one other that was recommended for all street mopars..my only thot is "not enuf choice"...j