First answer is that there's still some bandwagon SAM's around. My WS DMG is mad good so I must be the greatest!
And yes you should aim for a 5hit with the 437 delay, tricky but worthwhile.
Edit.
Byrnie +1 vs Twilight Mail depends on the mob, and Varangian Helm is better than Twilight Helm. You'd be right in thinking Atheling is the best back piece too.