I just tested out the 15 day trial version of Webgility which was very quick and easy to use, Parag was very patient and helpful with questions I had. The product gave me most of the functions I was looking for (import of invoices from Amazon store and X-cart shopping cart) into Quickbooks and sending of tracking numbers to customers.
However, I chose to not purchase the product as I didn't want to run a .NET product that was tightly coupled to my PC that normally did my Quickbooks processing.
Most people probably don't have this type of concern, and thus, this product is very good.
I have automation code written that runs on the Linux server where my X-cart shopping cart is, and that automation automatically pulls orders, determines the warehouse to ship the order to, and sends a CSV file with the required fields by my fulfilment warehouse. I am adding code to my Linux server to connect to my Amazon store and retrieve those orders, then will be able to reuse my automation of orders to the correct warehouse. So, all this will be able to run 'lights out' without a PC connected to do the work. I could have a MS hosted server to run webgility, but I didn't want to put my 'quickbooks' file on a server to do that function, so chose to write a little more code.
What I still wanted was the ability to easily import both my X-cart orders or Amazon orders into quickbooks, and found
Import Transaction and List Data to QuickBooks,
01 Transaction Pro Import Wizard 4.0 - $199.95
from
http://www.baystateconsulting.com/
This program also requires being installed on the PC with Quickbooks, but, it's easy to transfer the same license to a 'netbook' for traveling.
Again, I found Webgility a very impressive, easy to use product, but, for me, I didn't want to be tied to MS applications for getting my orders to my warehouses for ful-fillment, and found the import wizard perfect for my needs.
What I found