+1, I had endless problems with Specialized tubes slowly leaking air, splitting at the valve etc. No such problems since switching to Vittoria. Personal experience may vary etc. but I'm not sure even £1.99 is cheap enough to tempt me.
+2, every Spesh inner tube I've used has split at the valve whilst pumping up
+2, every Spesh inner tube I've used has split at the valve whilst pumping up