Well, i picked it up.
Bass pro shops has them NIB for $99. I figured for $20, i'd be a guinea pig.
Construction looks pretty decent. I'll get some pics up when i get home. Basically, it's got a bunch of finger type pieces of metal in a cylindrical shape. as you screw, the space between fingers diminishes, and the choke constricts. It has 8 different setting. Supposedly, it's Cylinder, skeet, improved cyl, modified, imp. mod, Full, X full, XX full.
Choke is made of titanium, avaialble in stainless and blues finishes. Works with all shot types.
I haven't had a chance to take it to the range yet. When i do, i'll give a range report.
For $20 i think i stole it. For $99, it might not be as good fo a deal, but it still doesn't seem bad. It definitly beats buying 8 chokes separately, them having to lug them with you.
Performance is the only question. After i get a range test, i will let you know.