I assume you meant Pacers, not Pistons.

I see your point, and my current pick for Eastern champs are the Nets, but the Pacers have had a pretty good year thus far, though they've slowed down a bit. If they could regain their early season form, I think they'll still be around late into the playoffs.
As a Bucks fan though I will say I think we will make the eastern Conference Finals at least.
Your unbiased view as a Bucks fan

I think the Payton/Cassell duo will work out better than expected. The Bucks should definitely have a better final couple of months than they did last year in the regular season, and might be able to make it past the first round. I don't know about Conference Finals, but lower seeded teams losing in the first round is only an expectation, not a rule.