Sum of All Fears: A Sudoku all about Geometry

Today's Puzzle:

An incredible puzzle that's solvable entirely based on a handful of lines. Amazing.

Link to Play Along:

Sum Of All Fears by Dr Logic http://tinyurl.com/SudokuSleuthSumOfAllFears

Rules:

Normal Sudoku Rules Apply.

The sum of the digits on a Region Sum line is the same for each box it occupies (this value may be different for different lines).

Digits adjacent along a green german whispers line must differ by at least 5.

Digits separated by a black dot must be in a 1:2 ratio. Digits separated by a white dot must be consecutive. Not all dots are given