I have the Ergo seat on my bike (
picture) which seems to be listed on that Amazon page too. I got mine for $35 from my LBS and it looks like it's the same price on Amazon.com. The Ergo seat is flatter than the Schwinn appears to be and although I don't ride a whole lot, I've done rides up to 3 hours or so just in standard bike shorts and had no discomfort or numbness. I'm sure it's not for everyone, but for $35 it's hardly going to break the bank to try it out.