Here's a TN from my notebooks on the 2005: "Pale straw, with a hint of gold. Lemongrass, verbena, and green apple on the nose, early springtime and citron on the palate, with just a hint of sunshine. Tart but very well balanced with a nice finish."
Those herbs I was picking up on the nose smell like truffles to some (cf. vineyard name) and apparently there's some debate as to whether they are black or white. It had a good sense of craftsmanship and I was sorry to see the last drop go. I found it good enough to justify its price tag (mid-twenties IIRC) though I wouldn't call it a 'great value' at that price. But I could see myself being tempted to buy it again.
As to the filtering I don't remember a residue but I did note that there were a few tartaric acid crystals in the bottle.