Hanging flourescents are only supposed to be used with really high ceilings. Talking around 13 feet minimum. Most flourescents are designed to be mounted directly to the ceiling that is painted a light color. Again, the fixtures designed to be hung aren't recommended unless you have really
high ceilings.
There are some good articles on shop lighting that cover just about all aspects. There is more to lighting than you might think.
As others have said, color temp is important in considering the type of light you want. Also the amount of lighting you need depends upon your age, shop size, and height of ceiling.
In the end, you shouldn't have much of a problem finding the right fixture and bulb for your particular needs. Just know what you are getting before you purchase it.
You may also want to supplement your ceiling lighting with dedicated lights for certain areas of your shop and tools.