The other day, I got a couple of NCR18650GA cells from Illumination Supply. When I got these cells, I couldn't help but notice the prices of these cells vs older, lower capacity cells. While the NCR18650GA goes for $5.99 a cell, downgrading to the older NCR18650B will cost you $5.50. In other words, you're saving a measly 49 cents by going with a lower capacity cell that can't deliver as much current. The NCR18650BD and NCR18650BE are both lower capacity cells by 300mAH, yet they both cost more - $9.25 and $8.99, respectively. And then there's the NCR18650PF. It's cheaper than the GA by a buck a cell. But this hardly seems worth it considering that its capacity is lower by 600mAH. All of this makes me wonder, are these older cells that seem inferior on the surface to the latest offerings actually BETTER in some way than the latest cells (which all cost about the same, regardless of brand)? Is there actually a good reason to buy these cells (and possibly even pay MORE for them) when the newest cells are as reasonably priced as they are?