Hi Richard,The CTRL license is used to convert a regular firewall into a Firepower Capable firewall.This license is a $0 cost item.ASA5525-CTRL-LIC=You will also need to add an SSD to make it into a firepower.ASA5500X-SSD120=along with a Smartnet for...

If you go on the Cisco downloads the ones with the "star" are what Cisco recommends as stable.

Hello Michael The AIP SSM- has a limited Mbps so I would not recommend pushing the local traffic through it.Saar

Hello Michael.The IPS 4240 runs 250 Mbpshttp://www.cisco.com/en/US/prod/collateral/vpndevc/ps5729/ps5713/ps4077/ps5768/prod_bulletin0900aecd8030c5da.htmlThe 5510 runs either 150 Mbps (with AIP SSM-10)300 Mbps  (with AIP SSM-20)http://www.cisco.com/en...