Cork, Screw Cap, or Glass Stopper?

I liberated the below article from Robin Garr. If you dont read his winelover's page, you should.

It has been almost a decade now since alternative wine-bottle closures started to gain traction in the marketplace as potential solutions to the enduring problem of musty, moldy "taint" caused by defective natural corks.
The once-maligned metal screwcap has become so widely accepted that only the most recalcitrant wine snobs still resist it; and synthetic plastic stoppers have also found a significant niche, particularly among wines not meant for long aging.
But one particularly elegant solution still remains far enough out on the fringes that I finally encountered my first specimen just the other day: The trademarked "Vino-Lok" closure, developed by Alcoa Co. with support from the German government, is a modern variation on the ancient glass stopper used in old-fashioned apothecary jars.
Made to ensure that the wine in your bottle never encounters anything but pure glass (a plastic liner seals the stopper-to-bottle interface but does not appear to touch the wine), it may be the "cleanest" alternative yet.
At first glance, the bottle of 2006 Schloss Vollrads Rheingau Riesling appeared to be closed with a very short metal screwcap; but a quick turn broke the seal to reveal that the metal cap is there simply to protect the clear glass stopper. As noted, it's very much like an old-time apothecary jar stopper, with a more modern neutral plastic lining to make a tight seal. The stopper pries out easily to reveal a fresh, clean wine untouched by cork.
The wine? Well, it's okay, a decidedly modest Rhine Riesling from an old-line Rheingau producer that's now under the corporate umbrella of giant Schmitt-Sohne. There's nothing wrong with the wine, at least in its 2006 edition, which is simple and fresh, clean fruit nicely shaped by crisp acidity and lightweight alcohol. It may not show the subtle minerality and singing acidity of the fancier Rieslings that make German-wine aficionadoes moan with pleasure, but it's a decent "entry-level" Riesling that offers a benchmark sample of the Rheingau.
For more about Vino-Lok, read the manufacturer's press brochure online at http://www.vino-lok.de/