I am one of those who abused Total Commander. I used it for practically anything. When switching to Mac OS X it was with a heavy hearth I realized that it didn’t exist any good substitute for my beloved Total Commander… I found Forklift for a couple of days, and it got a lot of features. The only downside is that it’s a little expensive (costs $29.95), but it’s worth it.
There is a 15 days evaluation version available on their website: