The next version of MiniB3D will include a collision system the same as B3Ds. It is working already, now I'm working on speeding it up.
Awesome!
By the way, the link in your sig to your worklog is not working: "Internal Error". Via your user-profile I found it at http://www.blitzbasic.com/logs/userlog.php?user=6&log=1369
This tread is more up to date, though :)