Cam opinion for 383!

I have a buddy that has a new crower 271 cam with 222/234 with 485/495 lift and 112 lobe and wants to sell me for good deal.I have post about the build in small block tech if you need to check,but I have comp 280/480 cam with 230@50 on 110 but will it be better to change to crower or run the comp!Heads I'm buying are just the aerohead 452/906 heads for $599 but going to pocket port them and have 2.14/1.81 valve or should i keep 2.08/1.74 valve?Thanks for opinions!Got to get this situated as income tax will be here in week or so!