Here's an interesting rule problem my encountered the other day. Our Devastator activated Strongpoint to call out targets, namely a Hive Tyrant, bearing down on our position. The Devastator was shot at and naturally wanted to dodge and there began the discussion. Does dodge count as movement in regards to Strongpoint, or any other ability that requires the Space marine to remain stationary. Nonetheless, the Devastator stood and took the blast and continued shooting, and was killed right at the end of the combat - if nothing else to keep the game moving.
In the RAW Dodge has the subtype: Movement which seems to suggest that if you dodge you are making a move action, though as a reaction, and thus loosing the ability of Strongpoint.
I'd be interested to see how others read this rule.