In my day job as a Structural drafter, I spend most of the day sitting in front
of a CAD terminal, drawing stuff in Microstation.
See here and
Consequently, you get to know the program pretty well, so here's a few things I picked up.
I've devoted another page entirely to the macros I have written. You can find it Here.
If you are using Microstation SE, J or even the new V8, and you are NOT using Accudraw, then you are missing out severely. Accudraw is an extremely useful tool. Apart from providing a dynamic, situation-aware co-ordinate system, it also provides another set of customisable 'hot keys'. See my Junkies guide to Accudraw for a brief introduction on some of the ways I find Accudraw to be useful.