@Pete, the latest version should do a reasonable job with HTML mails, basically it chooses the text version of the mail which is typically included in the mail body as well (most mail clients send both HTML and pure text versions of the same mail). Depending on the mail application of the sender, this could look ok. If you have tons of links in those mails they will still stay however, if you only have a marked up mail it typically will show only the text.
Check the latest version here:
http://rainer.4950.net/wordpress/category/gtd/