She has met Michele Davis and knows her material well.. doesn't agree with everything as Penny specializes in infidelity cases...
Then I would think their approaches should dovetail well. I happen to think that active infidelity is probably the one area where I think some of MWD's stuff falls a little short. I think it changes the entire dynamic, and how to approach things (with a lot of overlap with the "GAL", "180" and other DB principles).