Originally posted by Darth Sexy
1. OT Vader would get curbstomped by DE Sidious.
2. Having a holocron doesn't necessarily make you more powerful, and it's unclear how much more powerful ANY of these characters got with the holocron.
One thing: I know this is hardly foolproof evidence, but don't you think it's likely that the authors of LOTF will actually make it so that Lumiya will actually be able to contend with most of the NJO, such as Kyp, just to make the books more interesting. Wouldn't that alone put her above Sidious.