Newegg offers the Adata 16GB S102 Pro USB 3.0 Flash Drive in Gray, model no. AS102P-16G-RGY, for $9.99. Coupon code "EMCKKBT26" cuts it to $7.99. With 99 cents for shipping, that's a buck under our July mention of another color and the lowest total price we've seen. (It's a current price low by $1.) Features include read speeds of up to 100MB/s and write speeds of up to 25MB/s. Deal ends November 17.
Update: The price has now fallen to $7.19 after coupon.