preferred form--default first, or evaluate and specify

A quick question for the masters:

Which form do you prefer, and why?

A=B
:0
* test
{ A=C }

or

:0
* test
{ A=C }
:0 E
{ A=B }

When the test becomes complicated, or the assignments more
involved, is your answer different?

-- 
________________________________________________________________________
Rik Kabel          Old enough to be an adult              
rik(_at_)netcom(_dot_)com