A good article to read about AdWords Editor
Bid optimization and automation continue to play a critical role in search. However, focusing only on the bidding aspects of a solution, rather than the overall management technology, may be reducing your company's search growth.
I wouldn't consider myself a pure technologist (an evangelist, maybe). But over the last few years, I've focused on finding the "best in breed" search management technology. What I see (and what you probably know):
1. There are a handful of solid solutions in the marketplace (e.g., Kenshoo, Marin, and Search Ignite).
2. Bidding agents are somewhat of a commodity. To continue addressing advertiser needs, these partners have developed some insanely cool technology attributes to help advertisers market more efficiently.