Sorry, I'm not sure which is the best forum to post this in so I'll post to both...
Here's a link to v0.6 of my IMS Enterprise enrolment script - I've published a version for Moodle 1.5 and a version for the proposed "multienrol" feature of 1.6:
http://moodle.org/mod/forum/discuss.php?d=37291
Enrolment
IMS Enterprise enrolment for 1.5 and for 1.6-MULTIENROL
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