I think it's really important to identify fish (obviously). And that can be hard to do when you're multitabling on bovada. And even if you do identify one it's hard to remember him an hour later...
If it doesn't help you win at least $60 then you were never going to win.
Seriously though, if Hold'em Manager or Poker Tracker work on Bovada (never played there) then even though they're going to be of limited use on anonymous tables it's still pretty useful to be able to see straight away that a guy is playing 40/5 over 50 hands, especially if you multi-table.
But the major benefit is tracking your own play. I guarantee you don't remember your sessions well enough nor can you analyse them well enough without tracking software to be able to find leaks in your game and know when you're running hot, bad, or just playing well.
I mean, $60 if you're winning at 10nl should be a nothing investment, but it'd just irritate me to buy something just for Bovada. And I'd be doing it much more for session review than in game use anyway, so if you can import hands after I probably wouldn't bother.
