On several vehicles I have gone with aftermarket pads. German cars get swapped to Akebono's ASAP to get rid of the black dust. Gets rid of the dust with no noticeable difference in brake performance or life.
But on vehicles with no dust and good stopping, I just stay with OEM. On my s-10 which had terrible pad life, 15K-20K miles or so, the tradeoff for longer life was worse brake performance. Tried one set, didn't take long to realize performance was sub par, So..... back to OEM.
On my two 2500's OEM is just fine. great braking, no dust, very very long life. I figure the one I passed on to our son will likely go 250K miles before it needs new pads. Just do a fluid flush every year and check the pins. Thankfully out here corrosion is a minor issue.