Someone at the WordPress forums, came up with this Plog (LifeType) to WordPress Importer. 
I'm not sure how well it works or whatever, but I heard alot of good feedback about it at the WordPress forums.
Anyways, here's some info on it and a link for the download.
/*************************************
* Description : pLog to Wordpress importer
* Author : Dan Rooke - dan [at] sarzeau [dot] net
* Date : Weds 01/02/06
*************************************/
Files: - plog.php
Description: Import posts, post categories, comments, links, link categories and users from pLog (Lifetype) 1.0.1 to Wordpress 2.0. Not tested on other versions.
Install:
1. Extract file plog.php to wp-admin/import directory of your Wordpress installation.
2. Run importer through Wordpress control panel!
Support:
No warranties are given, use at your own risk.
Download Plog-Importer.zip
Let me know how it works for you..good luck..and thanks.
Twisted