Dreadsteed, too. I also cannot mount if I've been silenced... or I'm oom.
if you've been silenced, you're prob still in combat. in which case, of course you can't mount. :-P
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Abit Ip35-Pro
E6750 @ 3.4MHz (Exp Index = 6.8)
OCZ Platinum 1GB x 4 @ 850MHz 5-5-5-15 (Exp Index = 7.0)
HD 4890 (Exp Index = 7.6)
150GB Velociraptor (Exp Index = 5.9)
Windows 7 Pro