Re-ripping music collection to new iMac

Over time I have ripped approximately 400 CDs to my PC using WMP 8. Now I am considering the purchase of a new iMac dedicated to music. Would there be any audio advantage to re-ripping the CD collection using EAC or a higher level of WMP to the new iMac rather than simply transfering the stored data from the old PC (Windows 98) to the new iMac.

My hardcopy CDs are, in most cases, copies themselves that I burned from public libraries, friends CDs, etc.