Nonagon Infinity is great, but is a tough first listen, it's like a hundred trucks driving straight at you at 200 miles an hour, and you've no escape. The breakthrough LP is probably "I'm in your mind fuzz". Covers all the bases and they're bound to play a chunk of it.
I'd start with Mind Fuzz, then dip in and out of Nonagon Infinity, and the last one, Flying Microtonal Banana.
But then, there is this, the 'single' from the forthcoming LP