I am pretty much a tack hoarder and have a Crosby Prix des Nations that is probably ~40 years old, a Crosby The Sovereign Prix des Nations 97 that is much newer, but still an older plain flap saddle, a Collegiate Graduate plain flap that’s about 20-25 years old, and 2 Courbette Husars (similar to Stübben Siegfried) that are nearly 40 years old. Love all of them! For the horses I’ve ridden, I’ve always had at least one of these work pretty well, they’re all in pretty good shape (the Sovereign and one of the Husars are both in excellent, nearly pristine condition for their ages), and I usually just use a regular square pad and maybe my Fleeceworks half pad depending on the horse, unless a certain horse needs something extra, then I have a few different half pads/correctional pads to choose from. I haven’t had to reflock or have any foam replaced so far, but I bought all of them second hand (and some haven’t been used much or haven’t been with me for too terribly long) and have no idea what their previous owners had done to them besides new billets on the PDN. My Sovereign was sold to me as wool flocked, but I’m not really sure if it really is or not (it does have slots in the panels and I can feel wool, but they look very foam-like, even, and uniform from the outside, so it might be a combination? My Collegiate is similar and also has some felt in it). Both Courbettes are foam that has held up surprisingly well for its age, and I’m sure my PDN is either foam or some sort of combo.
I’ve only sat in a few newer saddles in tack shops, but don’t care as much for the feel of those, either. My Courbettes and Crosbys/Collegiate are pretty different from each other in that the former have a deep seat and knee and thigh blocks (but pretty minimal compared to today’s saddles) while the latter are completely flat, but I like them both. Between them all, there’s a bit of a variety in fit as well, so I can usually make at least one of these work for whatever I am riding.
I use regular Fillis irons as well. I have used jointed ones in the past (nothing fancy, just some cheap used Metalab ones I got at a consignment shop), but traditional Fillis are my favorites. I use regular leathers as well.
I also love the leather quality found on these saddles as well as the workmanship. Like with strapgoods, it seems like it’s hard to find comparable quality anymore, especially for a reasonably affordable price. I have a bunch of older Crosby tack as well (including some from their XL Excel and Selle Française lines) that I also adore and still use on a regular basis. It holds up beautifully and lasts forever.