I think this mostly depends of the provider, the cpu power and the "overselling ratio" if there is openvz/lxc in there :)
Wich provider did you think ? For see what they offer ?
(Oh, and look here, most game server need high single-thread power than multithread power...
Hybrid servers aren't really that, this is mostly dedicated + vps :) that more a "way to create app".
You have a "main compute base" composed of Dedicated servers who run fine most of the time (mean like 80% of their charge in a constant way, difficult to achieve for a mini-buisness) and, when...
For me, one of the biggest real advantage of docker is the "You can have a full infrastructure in less than a few kB"
Search for "docker compose" and others stuff like that @drmike and you will see that can be really cool ^^
What do you mean by "material" ? :)
The official documentation is pretty good, you will find everythings you need about it x)
If you have more precises questions, I'm not a pro-Docker but I have lot of ressources that my help you in certaint case !