I imagine I could figure out how to add this in... but it would take me way too much time, and somebody who actually knows what they're doing could do it in a fraction of the time. Either way, consider it requested. I sure hope this is the right place to do that sort of thing. :)
Reported on Movable Type 4.2

It's a closed beta at the moment, if it supplies RSS/XML feeds for users can you copy/upload/share some examples of them and I could possibly knock something together.
That'd be great. Although the front page blocks visitors, all the inner pages are essentially wide open, and all the subsequent feeds as well. I've gathered a few feeds that show some different types of actions (and the actual pages they display on):
The feeds are consistent with the user name, and you can get two other types of feeds by changing the ending of that url (to "?tab=friends" and "?tab=books") but those aren't individualized to the user. By looking at the xml of the feed, it appears to barely differentiate between the various actions.
An action on a book (either adding a book, or updating progress), is characterized by the "/username/books/id/" in the link/guid. Notice that new books include the title in the "Description" field, yet page/progress updates don't include the title in that field. For both of these things the book title is in the "title" field.
Making a label/comment/review/quote/spoiler for a book is characterized by the "/username/notes/id" again in the link/guid. It'd be handy if the feed did a better job of differentiating between those 5 latter options, but oh well.
No matter what though, the link field works perfectly prefaced with the http://readernaut.com.
Thanks in advance! :)
Looking at the feed, it's going to be tough for me to do and actually be good/useful. however I have mailed readernaut with my suggestions, and if they make changes or come back to me, I will update here to let you know.
Going to keep playing in the mean time tho!