Redclaw: regardless of the flavour or specific effects, if the power has the weapon keyword, all those bonus apply.
Leif:I don't mind you posting in advance your actions. Generally I'd say it's better for tactics to wait your turn,in case the situation changes, but if you're okay with it, no problem.
On a side note: Guys, you might really want to help Kozaar, because, while he had an awesome action in the first round, he should have retreated after that with all those foes surrounding him, and on top of that, Hammerhead was really unlucky with dices. In a regular game I'd probably pull my punches, but not here, so Kozaar actually is risking death. (or death saving throws anyway, which is not really a pleasant situation)