Having owned a Tikka T3 in 25-06 and currently own a Browning X-Bolt in 270 Win, I'm of the opinion that the Browning is the better rifle. The Tikka is accurate but the quality, fit and finish are not at the same level as the Browning. You can't knock the accuracy of the T3 but my X-Bolt is just as accurate and does not seem to be as picky as the T3.
Some things I really like about the X-Bolt:
1. Excellent user adjustable trigger that is as good as the T3.
2. I love the tang safety with the bolt lock/unlock button.
3. The 60 degree bolt throw is nice.
IMO you can't go wrong with either rifle but I prefer the X-Bolt.