The only problem with the cams you want to run, is that either the Comp or Lunati have simular spring rates that have to be used. 120# seat and 300#+ open. This is NOT a good idea with stock rockers. It was mentioned already that you have a Good chance of pushing a pushrod right thru the rocker. Dont think it wont happen to you, its Very common.
As far as cam lobes Not lasting, Its not the cams fault. If you use the right oil and modify the block accordingly for these fast rate cams, you will never flatten the lobe. You have to use quality parts, and break-in is just so critical.