Another new and old comparison

Through a lot of trial and error and playing around I think I'm starting to get some semi decent results with my temporary dual flash setup. Again I wanted to demonstrate his current head shot (another Aircondition closet era shot) vs two of the few he's considering.
The setup in for the rear flash didn't change between the two new shots, both had the SB-800 at 1/4 power close behind the subject, with the LS PJ+ Dome to provide a slightly diffused rim light.
The front flash was through a white brollie and at 1/8 or 1/4 power I tweaked as I went depending on the exact position again it was a metre to 2 metres from the subject and moved around on a arc with the centre being the subject. (if that makes sense.
Please give me plenty of feedback as I want to get as much out of having the extra kit and semi willing subjects as I can, the more I learn now the better as I'll be back to a single Sb-800 soon. What else am I missing that could make this better ?
#1 EXIF unavailable (sorry) D70
#2 D200, 1/250s, ISO 160, f5
#3 D200, 1/250s, ISO 160, f5

The setup in for the rear flash didn't change between the two new shots, both had the SB-800 at 1/4 power close behind the subject, with the LS PJ+ Dome to provide a slightly diffused rim light.
The front flash was through a white brollie and at 1/8 or 1/4 power I tweaked as I went depending on the exact position again it was a metre to 2 metres from the subject and moved around on a arc with the centre being the subject. (if that makes sense.
Please give me plenty of feedback as I want to get as much out of having the extra kit and semi willing subjects as I can, the more I learn now the better as I'll be back to a single Sb-800 soon. What else am I missing that could make this better ?
#1 EXIF unavailable (sorry) D70

#2 D200, 1/250s, ISO 160, f5

#3 D200, 1/250s, ISO 160, f5
