Generic all-purpose text-box?

[ml <ml knorke in-berlin de>]

Hi,

I'm looking for an all-purpose text-box, but didn't find
one.  The standard one in dia has optionally round corners,
fill colour, line colour, line width, line style, but is
missing multiline text and multiple connection points.  I
tried other boxes, like SADT box, but there I cannot change
e.g. the fill colour.  Anyway, it's kind of a basic need and
should be in the standard box, right?

Cheers!