Hi Fiona,
thanks for involving us.
1 - What do you want in a newsletter? What type of information do you want to read about?
Basically what Becky wrote:
a) obviously: News to kiva.org - new features, refinements, procedures (like releasing credits from partly repaid loans

- don't know why this came to my mind), announcements of new MFIs/countries already featured on Kiva, problems with MFIs
b) possibly: Preview of features to await on Kiva, requests of feedback/polls regarding certain possible features
c) maybe: previews of new MFIs (maybe with a short introduction/interviews with their staff?) and new countries (maybe with links to some country-related information)
d) maybe: one or two featured journal updates / reports from KivaFellows showing success stories as well as typical problems...
e) maybe: introduction of KivaStaffers (what do they do, what do they like about Kiva, do they lend on Kiva, too, what are their criteria...)
f) maybe: interviews of featured/expert lenders (again: what are their criteria, what are they looking for in a loan, best stories [from journals...], why do they lend, how do they keep track of their loans...)
g) maybe: a "101-course on Microfinance" or links to new online resources / reading tips
h) maybe: puzzles / competitions [prize - if any - could be one free $25-loan, for example, or a $25-GC]
2 - How often do you want a newsletter?
Monthly or bi-monthly would be fine with me regarding 1 b - g; with 1a) I suggest newsflashes even between regular newsletters.
3 - What length would be appropriate for you? How much is too much and would put you off reading it?
I don't mind length, really. But I do suggest that you preface each newsletter with a summary of contents and links to anchors so that hasty readers can easily navigate to the topics they want to know more about.
4 - Anything else you want to tell us!
Again, thanks for giving us the opportunity to share our opinions with you. Oh, and one more thing: I know that some lenders use a dial-up connection to surf the internet or have webhosted mail-accounts with size limitation - for them too big e-mails (particularly with embedded photos etc.) could be a problem. So maybe you will want to post the "photo/colour"-version of the newsletter on
www.kiva.org (with an archive for earlier issues) and send-out a "text-only"-version or just a link to the latest newsletter?
Best wishes from Germany,
Wolfgang.