Most groceries have bagged spinach already washed near the prepared salads. Try just throwing a few leaves in. I would think that broccoli would taste stronger; don't know about its blending consistency, or that of cauliflower either. Try Googling spinach and smoothie and see what you get. Let us know!
"If you drop an egg, you don't say, 'Oh, shoot' and drop the other 11, do you?"
-Source unknown, but obviously brilliant
Reached goal 4/16/2010...but kind of afraid to look these days