I have experience with Dynavector XV1-s/Triplanar combination. A few thoughts...
Neither the tonearm nor the cartridge tend toward the 'lush' side of neutral and if setup is not nuts-on, the combination can be strident. Other than the van den hul Colibri, no cartridge I know of gains more from dead on (as opposed to very close) set up; so attention to detail and patience pays big dividends. Instead of a gentle bell shaped curve of performance -vs- set up, you get a sharp spike in performance as you approach dead on.
The process is iterative and may take several sessions. It is best done when you are fresh and not caffeine loaded. Great advice is to stop when the first '"f-bomb" is uttered. A friend whose hearing you trust is invaluable and worth a bottle of Scotch (after the set up is done and not before). Keep a notebook of each setting and what you hear...it is worthwhile as you make changes over several sessions. Change only one parameter at a time.
I would suggest the following:
a. If you don't have a MintLP arc protractor, I'd strongly encourage it. I was able to really improve my set up using the MintLP with strong flash light and high quality magnifying loop.
b. Take the cartridge off the tonearm and give it a good, careful cleaning. Check the stylus for wear.
c. Consider removing the tonearm lift. Also review Doug Deacon's invaluable Triplanar Tips thread on Audiogon:
http://forum.audiogon.com/cgi-bin/fr.pl?eanlg&1117142645&read
d. When you reattach the cartridge to the tonearm, make sure the mounting screws are tight (but don't strip them!). This can cause sibilence.
e. Make sure the pivot to spindle is correct. Don't assume the supplied tool is correct, I've seen a case where it wasn't. Here is a recent post from Fremer:
http://www.analogplanet.com/content/tri-planar-tonearm-owner-alert
f. IMO, there is a lot of bad advice regarding the XV1-s and VTF. I found 1.87-1.88 gms yielded best results with the Triplanar. And yes, you can hear a the difference between 0.01 gm; so a good VTF gauge is invaluable. I got better results with the heavier counterweight closer to the pivot. Don't use the small counterweight (i.e. the one with a gnurled surface) at the stub...it picks up resonance.
g. The Triplanar is great, for documenting reproducible changes in VTA. (Have a friend help you by changing VTA while you listen.) Remember, you have to go past the 'best' VTA until the sound degrades, then go back to 'best'. (This holds true for all set up parameters.) Use 1 or 2 tracks; lately I've been using "I Remember You" from Eilen Jewell's 'Queen of the Minor Key' and "Jeopardy" by the Greg Kihn Band on the 'Kihnspiracy' LP. Once you think you've nailed VTA, double check your alignment and VTF. Then double check VTA. This will take several iterations likely will require several listening sessions.
h. Azimuth is the last thing to check. It's a little tricky on the Triplanar but is worth working at. I find best results with a mono of female vocals (like Sarah Vaughan's version of "My Favorite Things" on Roulette Records). I have not used a Fogzometer but know others who report great success.
i. The XV1-s is not a heavy cartridge and is a great tracker. In my system, I got the best sound by disengaging the anti-skate.
Good luck! The Triplanar and XV1-s are a great combo!