Checkout experiments in Magento
Customised shopping minicart is easily accessible via icon placed in right hand corner:
Once clicked, users can preview simple list of all the items in their shopping basket including the amount of the products and total price:
or an empty shopping basket:
User then can continue shopping or checkout.
This extension can be installed with modman.
Then switch to the Meanbee theme to see the changes.
Make sure to enable a theme with the right hand sidebar, e.g. 2 column-right or three columns.
Also, in System > Config > Sales > Checkout, the cart sidebar needs to be enabled.
You are more then welcome to use it on your project. Enjoy!