Sorry for the error, it is R4V5.
It took me about 10 minutes to setup but I have only one card that I use for recording usually. It requires little linux knowledge if hardware is already supported in linux.
It is easier if you are not planning to setup a double boot syatem. Just select the "Auto Install" option and follow the instructions.
Only problem I had was setting the correct time for Central time zone. To resolve this problem I took following steps:
1. During the install just select the correct time zone.
2. After reboot it will show again the time settings, here select the correct time zone agian and correct the time if its incorrect. Otherwise tv guide will be a little off.
For two cards I think you will need two sound cards and configuration is a little more complicated. I used two cards but one was PVR250, also I used Fedora Core 3 for it and there was no need for an additional sound card. An excellent source for Fedora Core 3 is
www.wilsonet.com
I could not find any better documentation than this. Might help if you look at it any way.
Hopefully, this info will help