Thanks for commenting everyone, much appreciated. The B/W shot I felt needed a bit of mood injecting into it and using Lightroom3 I selectively lightened or added contrast where I felt it was needed until I was happy. Tones were also altered using the various colour sliders in the B/W tool panel.
As for the first shot Josh, I ran this through a plugin filter I have called Topaz Adjust,
there are lots of presets which you can customise yourself. I used one called Photo Pop and tweaked it until I got what I wanted. Interestingly there is a preset that'll produce an HDR effect in varying degrees, but I didn't use it for this one. I can certainly recommend you give it a go