Based on experience, I would agree with you on the Magento front (as my perpetually-in-the-planning-stages blog "I Hate Magento" will attest), but I have yet to

Based on experience, I would agree with you on the Magento front (as my perpetually-in-the-planning-stages blog "I Hate Magento" will attest), but I have yet to find anything more usable (and customizable) for larger scale operations. I know there must be something less bad. Thoughts, anyone?