Hi Gee Gee
I done my last ultra (UMB40) in a pair of x-talons and they were utterly brilliant throughout, even during the six miles of road.
I've had a pir of Salomons SC3's and just feel that the company relies far to heavily on it's brand rather than functionality when it comes to trail shoes. 420g for a UK11 compared with 282g for the same size X-Talon, narrow, tall, unstable, poor grip.
I've just replaced my 300 mile old xtalons with crosslite XC and so far they have been very good.