In your estimation, what pitmakers are in the "A" class of IVC manufacturers, "B" class, "C" class, etc?
(B does not necessarily mean a bad product, just not "best" like A-class.....think like grade school A is best, B is good, C is average, etc.)
Why?
Any to avoid?
Why?
(B does not necessarily mean a bad product, just not "best" like A-class.....think like grade school A is best, B is good, C is average, etc.)
Why?
Any to avoid?
Why?