First a unit of Cataphracts by Musketeer Miniatures:
Next a unit of Light Cavalry - Equites Mauri Feroces (Ferocious Moors). Again, Musketeer Miniatures
Last but not least, some Artizan designs Arthurians painted to represent the Petulantes Seniores:
All these will be going up for sale on eBay later today
They are a good size match, Artizan and Musketeer. I also have some Musketeer and Blacktree infantry I will be working on next.