netmeg - 5:07 pm on Apr 18, 2010 (gmt 0)
I use one for my events sites, but I run into problems because physical addresses aren't necessarily the same as mailing addresses. Thinking of unhooking it.
I agree with maximillianos though - I don't think it will likely do too much to improve your cart issues. In my experience, shipping costs and lack of a "one button" order process contribute the most.