I vote for Speedplay Frogs. The X-series are for road shoes and are not as walkable. I have them on my road bike, but have Frogs on my mountain bike and love them. I will probably switch over to them on my road bike on of these days as well. Very easy in and out. I used to ride Candies on the mtb but found them too hard to get clipped into.
Emily
Emily
2011 Jamis Dakar XC "Toto" - Selle Italia Ldy Gel Flow
2007 Trek Pilot 5.0 WSD "Gloria" - Selle Italia Diva Gel Flow
2004 Bike Friday Petite Pocket Crusoe - Selle Italia Diva Gel Flow