Don't know about the progressives or 444's, but over here in UK I have just had the front forks rebuilt, (the only original parts are the tubes) by local specialists Maxton suspension. I was so impressed that last month I had the rear shocks changes for their units, I didn't expect to see a great improvement as I was running Hagon Nitro's, a good shock in itself, but the ride now is so much better. I would now always recommend a bespoke suspension build rather than an off the shelf product. Good luck with your hunting and choices folks.