As I understand, and I am looking as well for such a solution as seen on other shopping carts, the possibility to have AT THE PRODUCT PAGE at the end of it a contact form (or even better a inquire form) where the visitor has to fill in only name, email address (and whatever any owner things its important to him/her) and send the mail.
The form collects the product code, the image, and the title maybe (or whatever fields are available from the setup of the product page).
It makes perfectly sense because some customers have questions about a product and would like to get more information but if it is to make a whole email with all the details he would very probably not go into the trouble doing it actually, and on the other hand, the owner will save allot of time if he receives the product code and the image of it maybe for visual recognition (or any other detail he things would be helpful to him to process the info faster).
The solution would be a simple module that could be added at the end of the page.
This module should just be universal configurable to make things easier to develop, for the fields to collect silently.
Allot of people will appreciate it without doubt