Ancestry's latest newsletter says they have released the following new collections of Perthshire material:
Perthshire, Scotland, School Registers of Admission and Withdrawals, 1869-1902
Perthshire, Scotland, Militia Survey, 1802
Perth, Scotland, Survey of Inhabitants, 1766, 1773
Scotland, The Register of the Great Seal of Scotland, 1306-1651
Scotland, The Register of The Privy Council of Scotland, 1545-1632
Perth, Scotland, Register of Deeds, 1566-1811
Fasti Ecclesiae Scoticanae (succession of ministers in the parish churches of Scotland)
Hope there is something useful in there!
Carol