also would be great to acknowledge following one: sk112939
should you plan to use non-standard port plus utilizing URL/APPC blades on the same GW.
to be completely honest CP Proxy is far from calling it "proxy server" as such for large enterprise and scalable designs (i'd say there are much better once on the market) but in terms of the SSL interception it does the job very well, all depends what you're about to take a hit on in terms of the performance and capabilities of the solution for users
Jerry