Interesting, I normally try and avoid EQ before compression because it will affect how to the compressor works. Depending how hard you're hitting the compressor, wouldn't boosting before compression be flattened out to some extent by the action of the compressor? IDK, more than one way to skin a cat.
edit: Thinking about it, it's probably highly situational as to wether compression would 'undo' some of the boosting.