So we haven't seen any new exotic sidearms show up. With that in mind, here's an idea I came up with at work, for your consideration. It's based around an Aviator theme. Let me know what you think!
The Wingman
[i]"I'm inbound"[/i]
Perks:
-First column: Icarus
-Second column: Speed Reload, High Caliber Rounds, Lightweight
-Third column (Exotic Perk): Silvered Wings- jump height increased, gain further additional accuracy and range while airborne. Alternate Perk: Strafe- rounds fired while airborne are expended directly from reserves, and do not require a reload.
Visually this would be based on the Colt M1911, with a stylized pearled grip and silver accents. A pulsing light effect would run down the length of the gun as well, adding a "modified" futuristic look, without compromising the original weapon's aesthetics too much.