Here is a goal: How do you make a good white russian?

Which way makes more sense to accomplish this goal?

Select from:
[a]. Add: 2 oz of water 1 oz Coffee Liqueur (Similar to Kahlua) 1/2 oz Cream. and Ice..
[b]. Add: 2 oz of Grey Goose. 1 oz Coffee Liqueur (Similar to Kahlua) 1/2 oz Cream. and Ice..
[b].