Awesome streak! I remember trying Gravity once but it didn't work out so it's nice to see it working for someone else. Do you think Heatran could make a good replacement for Metagross? It deals with Bug, Ghost and Dark reasonably well, and it learns Heat Wave/Fire Blast (Magma Storm?!?) to deal with Escavalier and Scizor. If you like, it even learns Earth Power for Electric types, although I wouldn't exactly call Heatran a reliable counter to Electric types. Only you know if losing Metagross will ruin the team or not (e.g. Heatran has no priority moves, unlike Metagross), but if you have a Heatran with good IVs and nature it might be worth a try. This is another reason why Sturdy Sawk appealed to me so much.