Jade Rabbit and Inaugural address is great in Crimson. Jade for all those obnoxious snipers and bows. Inaugural is just great all around and works pretty good at close too, can at least be decent even against AR's, TLW, etc..
For heavy I'm kinda alternating with Colony, Wardcliff, or Hammerhead. If you go with exotic heavy, then I switch up the scout/pulse combo. Either Nifleheim Frost (probably my best legendary kinetic scout, has kill clip)/Inaugural, or Blast Furnace/Black Scorpion (on maps with lanes slightly too long for Addresse's sweet spot, blast furnace will get er done). Kinda depends on the map they're pretty similar loadouts obviously. On a map with a lot of indoors combat you might want the colony for example, and have to adjust accordingly. Another consideration is you dont want Scorpion on really long lanes.
I bet this Jade/Address thing is awesome in quickplay too, although wardcliff mops up so many kills in quick play it's kinda hard to give up.