*Sithy(aka El Sitherino) walks in, looks around, shrugs and leaves*
This topic has been roasted, toasted and healthily digested at the EU forum. We are more than equipped to sort out any canon gripes !
Longstoryshort...... apart from what is mentioned about Bane in the TPM Novelisation(G level canon), everything falls in C-level(games, comics etc) or below.
For fans of sith lore, I recommend the Darth Bane duology(books)..... tis a shame they cancelled the planned novels about Sidious origins and Plagueis