Are you starting macro with insects or in-animate objects? Like Buck I tend to find working with a tripod and live insects to be a harder challenge in many ways simply because the subject is much more mobile. There are ways to counter this, but they require a bit more experience and personally I find it easier to start insect macro work with a flash, flash bracket and hunting the devils out.
On the tripod side, I agree with Buck that you want a geared tripod head. The manfrotto Junior Geared head is the best to start with and, for most people, is more than you'll ever need for macro work. Better geared heads are out there ,but they are much larger, heavier and many times over in cost - and for most macro DSLR work they are overkill (many are aimed at heavier medium format cameras).
An idea of your budget for this would help a lot, as well as what lens and kind of subjects that your aiming to go after.[/QUO
Some insect, but mostly in-animate objects. Budget around $200 if that's even possible???