The models do look excellent, are you replaying particular battles Si?
I based the nobles around First St Albans and then up to 1459/1460. Have to admit that I have used the "A Crown of Paper" campaign system to generate some games..I think (and will have to go and check) that this is where I had reached:
Lancastrian Forces
Humphrey Stafford - Duke of Buckingham
John Talbot - Earl of Shrewsbury
James Butler - Earl of Wiltshire
John Beaumont - Viscount Beaumont
James Touchet - Baron Audley
Henry Holland - Duke of Exeter
Henry Beaufort - Earl of Somerset
Thomas Courtenay - 14th Earl of Devon
Henry Percy - 3rd Earl of Northumberland
Thomas Percy - Baron Ergemont
Ralph Neville - Earl of Westmoreland
William Fitzalan - Earl of Arundel
Jasper Tudor - Earl of Pembroke
Yorkist Forces
Richard Plantagenet - Duke of York
Edward Plantagenet - Ealr of March
Walter Devereux - Baron Ferrers
Richard Neville - Earl of Warwick
John Neville - Baron Montague
Richard Neville - Earl of Salisbury
Andrew Trollope -
John Mowbray - Duke of Norfolk
Henry Bourchier - Viscount Bourchier
William Herbert - Baron Herbert
John Clinton - Baron Clinton
Richard Grey of Powis
Uncommitted
Thomas Stanley - Baron Stanley