I took it shooting for the first time a few days ago (I think in May of 2005). I shot two full magazines of Federal Hydrashock self-defense ammo, with no failures to feed, etc. I realize this is not a huge number of rounds, but ammo costs money!
I shot the pistol at a 7 inch target five yards away. Here is a scan of one target, at which I shot a full magazine. The group is 3.5 inches. The trigger is a little long and hard, or I might have shot a slightly smaller group.
Conclusion: I'm well satisfied with my 40 caliber Sigma, and I believe it to be a good gun. I believe the SW40GVE to be a true bargain, price-wise. Time will tell concerning it's long-term reliability.
Update on June 28, 2005. I've taken the SW40GVE shooting a few more times, and it continues to be very reliable. The only ammo that I've had failure to feed with is Corbon Powrball (which also won't work in my Kel-Tec P11). I'm not much of a marksman, but I'm working on that. Here is a scan of a target I shot at today, and I'm pretty well satisfied. I'm shooting 3 and 1/2 inch groups at 5 yards. (I'm a civilian, and I suppose I'll never have occasion to shoot at anyone farther away than that!)