The "devil" we know best is generally the "devil" we rely upon. This would explain much of the "swiss army knife" approach. The most simplistic (and generally the least lines, classes, modules, what have you) code that you can use, that will accomplish the task, is generally best ...

Code:

#!/usr/bin/perl
####################
print "hello world";

Perl is the devil I know best but there are lots of devils in this world ...

http://search.cpan.org/search?query=SOAP&mode=all