Sure have! I think 3-4 beers now. I made an IPA where I used Mosaic at 60, 20, 15, 10, 5, 0, WP, DH. Single all the way through and it was amazing.
I recently just kegged an imperial red (oak aged, dry hopped) with both Mosaic and Simcoe. I used only Simcoe the first time I brewed it and...