SD Kabutops is pretty cool. The set I use is 252 Atk / 252 Spe Jolly, Swords Dance / Stone Edge / Low Kick / Aqua Jet @ Life Orb, Swift Swim. I feel like these moves provide the most damage and the best coverage when using this set outside of the rain. Suggestions are always welcome, though, as I'm far from being a well-seasoned battler.
He requires a lot more support when not used in the rain, though, since I chose to use Low Kick over Waterfall to hit stuff like Registeel harder. Stone Edge is a really powerful attack after an SD, even when it only hits for neutral (252 HP/ 200 Def Bold Milotic is almost guaranteed to be OHKO'd after SR). It's necessary to make sure your team can sufficiently weaken walls like Uxie, Weezing, Slowbro, and Tangrowth before attempting a sweep though, because they can comfortably survive a +2 Stone Edge and cripple or kill Kabutops. Aqua Jet is the only thing keeping Kabutops from auto losing to all the crazy fast shit that can come in for a revenge kill, as well as making a great revenge killing tool itself.
Weezing makes a pretty good partner to this set, as it can easily wear down the -Grass and -Fighting types that greatly threaten Kabutops. I use a RestTalk set with Will-O-Wisp and Flamethrower, as he is my team's main check to Venusaur, Sceptile, Torterra, Hitmonlee, Hitmontop, etc. and keeping him alive takes a lot of pressure off of both Kabutops and the rest of his teammates.
So that's me pimping SD Kabutops and RestTalk Weezing. I haven't had ridiculous success, but I think that's more a testament to my mediocre battling skills, haha. These guys are really great in this metagame, which relies heavily on both Milotic and -Grass types to kill it. Kabutops isn't walled by Milotic and Weezing easily deals with the abundance of -Grass types.