Straggler wrote on 08/10/10 at 18:24:45:

Yes, the 'PGN Opening Guides' are basically intended to be guides to the games covered in the updates, although some GMs add a lot more.
The eBooks come in several forms, PDF (for printing out, like books) or playable ChessBase style (which need a ChessBase program but benefit from its functionalities, like being able to analyse with Rybka).
The PGN Opening Guides are like individual chapters in the eBooks, but can be used on non-Windows PCs.

Markovich wrote on 08/06/10 at 21:36:47:

Gary Lane? If you can email me a list of the ones you find the most annoying I will edit them out!

Pawnbroker wrote on 08/07/10 at 06:43:36:

The updates tend to cover recent fashions amongst the top GMs, either that or lines that especially interest the GM writer. However, subscribers often ask for coverage of less fashionable lines and the writers are normally happy to oblige.
So, if there is something you want them to cover just email them, or support!

These are excellent suggestions.  I constantly update my own repertoire by going through what is posted here, and it would save me (and I think others) a lot of time by incorporating our collective insights and discussions.  Four stars...

Somebody really needs to review the PDF files maintained here and make sure they address recent developments.  While the quality varies, as they stand, there are so many major omissions (on account of this or that line never having been taken up in an update, I suppose) that they're pretty unuseful.  There is also the occasional serious mistake.  Also I think there is a lot of obsolete verbiage left in them by previous commentators.  I have some examples in mind but if I gave them it might create the impression that I was complaining about particular commentators.  

I understand that this arises from a certain gap between the purposes of the updates and what I, at least, think should be the purpose of the PDF files.  The latter, I think, should not only refer to material from updates but should provide a reasonable summary, from a strong player's perspective, of current theory.  Maintaining that would require some work, maybe more than Tony can afford to pay, but what if there were a wiki model with the expert commentator in the role of final editor?  

Technically, it would be very good if the games referenced were reachable by clicking on a link, as they are in the updates.  The text is colored, as if were a link, but this doesn't work, at least for me.