Hi, what do you mean exactly? This is normal behaviour of odoo v. 8. 

Update: I see, did you try this: https://www.odoo.com/forum/help-1/question/remove-order-line-details-window-69110 ?

Simon we are not seeing that functionality in version 8. In order to input a new product in sales order for example, when you click on add new product, a pop up window appears and you select the products from that pop up window and it closes. Then when you want another product, another pop-up window appears. We want the easy of use like we were using quickbooks for example.

Update Simon: That sounds like what I'm looking for but I looked at the link and honestly I couldn't locate sale.order.form.editable.list in Odoo... I don't understand what a "technical user" is? I googled sale.order.form.editable.list and found a little more like https://www.odoo.com/forum/help-1/question/how-to-edit-sales-order-form-to-work-with-inline-editing-in-the-product-grid-4141 but still couldn't seem to figure it out. I really appricaite your help brother!