(I swear this was scheduled to be posted on Friday but didn't. Let's pretend...)
Scotch-Brite Scour Pads
I've raved about these numerous times (here, here and here) and for good reason - they're fantastic. They provide a strong scrub and are flexible which is ideal for getting into those harder-to-reach areas. I prefer these tub brushes and other sponges and you should too!