You already know this, but same here. It's a toss up though because browsing is cheaper this way if you're going to light mobile sites (I can use 0.8 units over a couple minutes rather than 1.5-2.0 units on older TracFones), but MMS is just insanely expensive.
Castrol EDGE 5W-30 is my drug of choice.
Toyota | moving forward
Primary: Galaxy Note II & iPhone 5 (AWS): 5 lines, 1x $15 4.5GB data, 3x $2.99 T-Zones (truly unlimited 4G data), myFaves, corp discount + $10/mo loyalty discount = $88/mo tax inclusive
Secondary: iPhone 3GS: Airvoice Wireless, Samsung Fascinate & HTC Trophy: Page Plus