Killer Symmetry: Sudoku Variant, Meet Classic Please

Today's Puzzle:

Is another in the series of killer cage puzzles with lots of classic Sudoku techniques to solve. I dare say my classic Sudoku is now less rusty after this run of puzzles!

Link to Play Along:

Killer Symmetry by Dr Logic http://tinyurl.com/SudokuSleuthKillerSymmetry

Rules:

Normal Sudoku Rules

Normal Killer Cage rules: Digits in a cage cannot repeat and must sum to the number in the top left corner of the cage.

White dot: Digits separated by a white dot must be consecutive given). Black dot: Digits separated by a black dot must be in a 1:2 ratio.

Not all dots are given

Digits cannot repeat along the marked diagonal