I think you can use PIX's PDM, since that's modeled after Checkpoint's interface and should be familiar to Checkpoint admins. However, that only eases the configuration portion, the migration part still has to be done manually. There are no specific guidelines for the migration process. As for the performance PIX 525 definately is faster and can take more load.
Cisco SCT is a Check Point to ASA/PIX/FWSM conversion tool. Cisco Security Conversion Tool (SCT) 1.1 is available on CCO for download. This release adds support for Check Point NGX and makes it easier to convert more than one Check Point device. The download site is:
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...