Man, you're even making me cry over there, Dub!
Well, since I can't send you my nifty system variable that trains MS to accept ACAD commands in the keyin function, I will give you something it took me awhile to come to terms with. MicroStation will NEVER function like ACAD. It is getting closer, and I hear the XM version is getting even warmer than previous releases (AZ....input???), but the fact remains that MS is icon-driven and not command line-driven. My headaches started to disperse somewhat when I stopped fighting MS and tried to make the most of what it is - a giant pain-in-the-butt dinosaur that is a necessary evil for my job.
I know this isn't what you want to hear, and I DO feel your pain, but try to remember it's Friday and this is only a job.