Pros
This agency is so well led and mentored by the two Principals, that the very best of the Biggs culture should stay despite the recent acquisition by VML. It's got a great reputation in the agency world, is renowned for punching above its weight, creatively savvy, analytically sound, and now has additional clients, resources and opportunities via VML. You work hard and get challenged daily by 3 huge household-name accounts, but the bosses appreciate people have home lives too, and they genuinely care about their employees.
Cons
Salaries are on the lower side vs Chicago agencies, but benefits are excellent. The split office situation (Kalamazoo & Chicago) is tough sometimes if you're a Chicago AD, as almost all creative & dev was historically based in KZoo, as well as many account managers/directors. Means it's hard to bond with your team quickly if you're new. But everyone tries hard to make it work, people travel between offices regularly, and you'll have exceptionally professional co-workers to bond with.