I live on a Keiser M3 all winter. World Gym has a room full of them at my disposal with 24 hour access. I've noticed the seat's a little wider & squishier than my Fizik Arione, but I can deal with it for another month. That M3, The Sufferfest videos & I got a wicked threesome goin on...
I miss my Felt Z15 though, she's jealous.