I have a Fantom CX with the compact double crankset instead of the triple. It is indeed a great bike. I didn't originally buy it for commuting, just for road rides with friends and as a backup once-in-a-while commuter. Well, I liked it so much (over my MTB with slicks) it ended up as my primary commuter and I bought a Fantom Cross UNO as a backup bike.
After 3000+ miles, the changes I've made (not related to falling off of a bike rack at 85MPH damage) have been a stem, rack, fenders, tires (Panaracer UrbanMax) and a set of old D/A bar-end shifters. Oh, and the 36t granny ring, I swapped out for a 34t.
I am thinking about a carbon CX fork for Christmas...
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--Ben
2006 Trek SU100, 2009 Motobecane Fantom CX, 2011 Motobecane Fantom Cross Uno, and a Bakfiets
Previously: 2000 Trek 4500 (2000-2003), 2003 Novara Randonee (2003-2006), 2003 Giant Rainier (2003-2008), 2005 Xootr Swift (2005-2007), 2007 Nashbar 1x9 (2007-2011), 2011 Windsor Shetland (2011-2014), 2008 Citizen Folder (2015)
Non-Bike hardware: MX Linux / BunsenLabs Linux / Raspbian / Mac OS 10.6 / Android 7