I think being proactive is great but the hardest sell is spending money to fix what isn't broken. While there are some unique options with the PAC, it may present some problems with prerequisites that may need to be solved before you can utilize said advantages further adding to total cost of conversion. If its just going to be a retrofit mission where you import the logic to a new cpu then it may be a easier transition. We are adopting an end of life approach to upgrades/updates.