Now I know what you are thinking, "this guy is insane", but hear me out!
Imagine you could pick 5 doctrines, doctrines were all as strong as the current strongest doctrines are, however, they could not be used as soon as the game starts. Instead they are gated by elite points. Some of the stronger doctrines could even be balanced by costing more elite points.
To counter balance this, Each player would start with 3-5 elite points when the match starts, and points might be gained a little faster. One thing I liked about dawn of war 2 is that we started the game with our "commander". This change would allow us to choose our commander right off the bat.
This would also create a choice in the early game, do I want that powerful doctrine (doctrines would be stronger) or do I want that higher strength commander. Furthermore, 2 point elites would no longer have the ridiculous power that they have now, and in fact might need to be slightly buffed.
Perhaps it would be too big of a change, but i thought it was a neat idea