Of course we all have our opinions...
I have talked with Tailwheel Tom extensively on this, because I want Ti gear. If you do 180 size you can plan on approximately 30 pounds of weight reduction. He still can't currently produce it, but he can help you walk through the paces to to build a set up and install them as an 'owner produced part' it is legal and doable. It will cost about $12K and take you longer than it would have taken him. If you ever get serious about it, contact me and we could probably save a few bucks by going in at the same time.
A 135 operator I know up north has had them on two 185s now. I say two because when the first one got totaled on a sand bar, the Ti gear was one of the few things he salvaged from the plane...
Another little know but cool concept to having gear made for you, is that Cessna specs out a degree 'range' for the rake on the gear. I happen to like the earliest gear because the I like the light tail. It is about 3" back compared to '56 and later gear. Most guys don't like them, because it is a shorter coupled plane that way (read; a touch more squirelly) but by building your own gear, you can choose to go to the farthest fwd limits of the early gear, or the farthest rearward limits of the later gear, to really get the gear where it fits your flying the most. Obviously you'll want to be very familiar with how your current gear acts, and how changing that rake would affect it.
185 gear..... I can't for the life of me wrap my mind around the concept of putting 185 gear on an early 180

But then again, I don't make a habit of flying around at 3000 lbs.... In my way of thinking, suspension is a good thing. As you've already noticed, with stiff enough gear, the only suspension you have left is in the tires.... This is also why (load permitting) I like bigger tires...
Take care, Rob