Price Quote (Different prices depending on amount of units required)

I have been reading this functionality is on the roadmap, but I wanted to know how to even acheive the following:

If you have a look here: http://www.namebadgesdirect.co.uk/name-badges/printed-name-badges

The price quote funtion is great but I really need to have price breaks at say 1-5 badges = £3.80 | 6-20 badges = £3.10 | 21-50 badges = £2.00 etc.

You get the idea... I wanted this to calculate behind the scenes so users entered the Quantity and the calculation altered the cost per badge but the user did not know or have to define their own price category first.

I know it's a big concept for such a small result showing on the front end to the user, but it's important to keep the site clean and user-friendly.

Any help on where to start with this would be greatly appreciated.

Thanks for this information. I am finding that I can use gform_product_info to change what the total displays. All I need to do is give a 20% discount off of the total. The question that I have is, where do I find the code to edit? Where exactly is gform_product_info?

Thank you!
Ryan Searle