Google Analytics or ClickMeter

I try to figure out where people come from (on our website) before they become a paying customer.

Means, there is tons of content on the website, but it would be very interesting to know what particular page make a sale.

Do you think Google Analytics can do it or is it better to user tools like ClickMeter?

Hope some of you can help.

Know little about click meter but not tried.
In Google Analytics you have to create Campaign URL for each traffic you get from individual methods. Also there is multichannel funnel metrics which is helpful to you in your case.

I've used click meter before.

I don't want to bash them or anything because they really do have a good service.

Problem is once got your links tied up with them you kind of have to keep paying for the service every month and I didn't like that.