YUM Update before or after installing cPanel?

I have finally told Plesk Onyx to take a hike. I'm tired of the hassles. I'm now switching 25 servers overnight or so it would seem to cpanel. I run virtuozzo containers. With the horsepower I am using on each server I can easily run to cpanel installations per server. I am running dual Intel Xeon 3 GHz processor with 12GB SmartCache. 6 cores and 12 threads. Hardly a slouch compared to what I used to run. I have no intention of running the server hot. My biggest customer does not care if it's one physical server or three containers each running cpanel. A higher profit margin for me. This will be this will be my first installation. Each container has allocated to it 16GB and 1TB of RAID. The server is set to use a SSD drive for the cache. Now then, once I create the container and set it up with hostname and DNS and all of that do I want to wait to install cpanel and then do a yum update or should I do a yum update before installing cpanel? thanks from the, Bob