The class has been in a weak spot lately, despite it being very flavorful and interesting, as it delays a lot of other classes progression and requires a level 7 to 10 investment to be any decent, it would be nice if the Knight prestige class got a bonus feat at level 5 and 10, just to make up for how feat starved usual Knight builds are.
Also the path system could totally be changed to a feat you select at level 3 or so.