The market may be in dire straits, but that doesn't mean you're stuck making due with what you've got. Not only is simple provided completely free of charge, it runs on free software and uses free plugins. Simple uses:
*some tailoring required
Simple's cms engine makes available to every page several utility functions to generate menus or to alter the way content's displayed. But if you wanted to go above-and-beyond you have complete access to the simple source code for modification and alteration.
In order protect their proprietary code, commercial CMS are often unalterable and if they overlooked a feature you need you'll have to go through a long feature request process that may or may not end in the functionality you desire being added to the system. Simple's source code is laid bare and ready for any alterations or additions you have.
While no CMS could possibly suit your needs perfectly straight out of the box, with simple there's nothing to prevent you from adding the functionality you desire.