IE Unlimited CSS Loader

IE Unlimited CSS Loader

if you use drupal cache's option to optimise css files, all your css will get merge into one. so no need of this module

.tpl file output using theme function

So, you have prepared the output in one of your module function with all complicated business logic client specified in last meeting.  Your "return ($output);" throws everything on screen. You became glad to see your code worked finally.
And if Table layout is required you pushed all html in $output variable and theming of your own module page become hectic. Better to go with tpl output.