My Contrail has worked quite well in sandy or rocky conditions. I've learned to do a few things when expecting wind:
1. Uew BOTH hiking poles in an A configuration in the front
2. Guy our every [email]d@mn[/email] line possible including sides and the front "beak" line (W/line outside of the "beak").
3. Use only MSR "Groundhog" stakes B/C their Y cross section holds well.
4. Lower the tent as much as possible to keep wind out.
5. Pray for calm weather as I retighten guy lines. Usually one re-do of the lines one hour after setting up is all I've needed.

That said I think a Cuben fabric Virga might be the best answer for those of us willing to pay the $$$.

About the netting letting the rain trickle in. Yes, I had this happen but only with the foot netting. I wrote Henry about it and the newer version Contrail foot re-design probably solved it. I did some judicious sewing & sealing to fix it.

Eric