FW/IOS vs Pix

[chrish]

I have been looking but cannot find any document which compares and contrasts the FW IOs and the Pix. If anyone is aware of such a document can you please point me to it.

Thanks

[shijasm]

Cisco IOS Firewall

http://www.cisco.com/warp/public/cc/pd/iosw/ioft/iofwft/index.shtml

Cisco PIX 500 Series

http://www.cisco.com/warp/public/cc/pd/fw/sqfw500/