Suziki Gixxer 155 or Yahama FZ S v2.0 FI or Pulsar150????

Hello Everyone,

First of all I Don't Know a lot about Bikes:( But i just love riding bike...
I have Honda Activa Its a old one I'm going to finish my college this year so i decided to buy a new bike on JAN 15 but i'm confused in buying,
my choices are Suziki Gixxer 155 or Yahama FZ S v2.0 FI or Pulsar150.

• I Don't know which bike is higher style?
• I Don't know which bike is higher performance?
• I Don't know which bike is higher Quality?
• I Don't know which bike is higher speed?
• I Don't know which bike will give long life?
• Worth buying for money?
• Which bike will have a good pillion seating position?
• Good comfort level:confused:

My choice among these bikes is Gixxer 155 but i want to know about its passenger seating comfort???:confused:

And PROS and CONS of these bikes and i please to share your experiences with these bikes.
I'm looking for your most valuable suggestions :)

Especiallygive your reviews about Gixxer 155 in detail:D