Tiers of a Burger Updated

I've made an effort recently to visit/try new burgers in the area as well as return to some local favorites in order to update my Tiers of a Burger.

The following burgers are the best of the best in South Florida

TIER 1
Bourbon Steak (bar/lounge menu)
Burger & Beer Joint
Michael's Genuine Food & Drink 

Char-hut

Shake Shack

Elevation (Coral Springs)

TIER 2
Le Tub
Red Light *have not had in >6 months
Kingdom  *have not had in >6months

TIER 3 

Charm City

Five Guys
Jack's Old Fashion

TIER 4 

Sonny's Famous Steak Hogies  

A TIER of Their Own (great non-traditional burgers that are tier 1 worthy but deserve their own tier)

GastroPod

Sakaya Kitchen

Sugarcane Raw Bar

Notables I haven't tried yet

Clarke's

Houston's

Busts (recent disappointments)

The Office (Delray spot hyped for their burger. Tasted sour, pass)

Kelly's Landing (downhill alert)

Flip Burger (ehh, skip it)