dire

Hi was hoping i could get some help or advice from people dealing with what im doing.

I use Go daddy quick shopping cart now but it not really working well for me. I use drop shippers and i need data feed hourly to keep the inventory count up to date so i know if stuff from are drop shipper out of stock. So i was wandering if any one could recommend a cart and any add on app the work well and offer stuff that im looking for please let if you can thank you