I won't say a word, Ray.
That is one very posh looking unit - it just screams 'I'm the Guard, I would be honoured if you would aim at me.' The deep, rich blue of their coats is fantastic and the red facings offer a great punch. Amazing work on the head swaps - they turned out flawlessly - I would have never known unless you had pointed them out. Also, those honkin' huge banners are the biz, wonderful.
Great work Ray! Now, back to those Space Marines, eh?