Hi Doomangels - I agree with you,  these are very nice clothes. :0) In case you didn't know, Musketeers are actually post renaissance , not medieval.  :0)  What was this period? Rococo?  Baroque? (nah, later than Baroque).  eh... not sure what this period was called,  but it's fairly modern - 1700's .  They are in the era of the Louis's,  before Napoleon.
If you want medieval, have you looked at MTS2's Magik Modder's MidSIMers Night Dream?  They have a whole bunch of medieval clothing - knight's in shining tin cans and everything.  
