Here's a couple reviews for a 2001 Dragstar 650...
http://www.bobpickett.co.uk/bkit/dragstar.htm
http://www.ciao.co.uk/Yamaha_V_Star_Custom__Review_5391998 (User review)

And a couple for the TBA...
http://www.motorcycle.com/manufacturer/triumph/2007-triumph-bonneville-america-review-85096.html
http://www.reviewcentre.com/reviews68645.html (several user reviews at this one)

If you have a chance to test ride each bike, do so! My decision to buy a TBA was based on two things... Triumph's heritage and how positive reviews for the bike were.

Good luck with the new wheels... whatever you go with.