Ok I'm a little ashamed to say this, but I found a useful plugin on ANOTHER BOARD
I looked useful so why not share it with you guys
Anyway, here's what the post said:
"This plugin was written by Viki and friends at
www.realsexcash.com
It will basically remove the [content:encoded] tag from wordpress rss feeds, which is good because several pieces of software out there won't parse anything inside those tags, one of the main ones being rss2blog
so, if you want any of these users being able to use your feed, install this plugin
right click, save as....
http://www.justjace.com/full_rss_descriptions.php"