Here are some clips for comparison from my recent foragings …
Silkstone PVC D:
http://www.tinwhistletunes.com/clipssnip/Audio/jig/banishlolly.mp3
http://www.tinwhistletunes.com/clipssnip/Audio/jig/tarroadsligo-glm.mp3
http://www.tinwhistletunes.com/clipssnip/Audio/slow/quarrellollyc.mp3
http://www.tinwhistletunes.com/clipssnip/Audio/slow/sheebeglolly.mp3
Dixon D:
http://www.tinwhistletunes.com/clipssnip/Audio/jig/DonnybrookFairBChastain.mp3
http://www.tinwhistletunes.com/clipssnip/Audio/reel/LadiesPantalettesPdPiper.mp3
Susato VSB D:
http://www.tinwhistletunes.com/clipssnip/Audio/jig/DonnybrookFair-GaryHumphrey.mp3 (compared with regular Susato D)
http://pw2.netcom.com/~ridseard/donnybrook.mp3
http://www.jessiekislin.com/music/SusatoVSB.mp3
The only Water Weasel clip I could find, not representative because it’s a Bb, not a high D: (If anyone knows where I could find a clip or two of a WW high D, please let me know.)
http://www.tinwhistletunes.com/clipssnip/Audio/reel/farfromhomebretton.mp3