I'd say it's not worth the hassle IMHO. It will cost you a lot of $$ and there isn't that much more you can do. Really the only thing I can think of is to make your WB look better.
Your 030 will not be fast enough to run any RTG specific software.
What he said.
IF your A1200 is already towered, I could see how you'd be tempted to take it to the next level, but I'd only monkey around with that prospect *if* you had a line on a real cheap Mediator and you really enjoy tinkering around with this stuff.