Hello Alex,
In the current version there is no report avilable for the Customer Price List. For now this requirement is not feasible to be delivered, however it is on our backlog list. At this stage we are not able to foresee precisely in which release it will be available.
If you need this change urgently you may contact your implementation manager to help with such request or approach directly the Service Center (servicecenter@sap.com).
Also you can provide this feedback at SAP Business ByDesign ideas forum to request new requirement.
Note : For simplification i have found the idea link for you already, just vote-up/comment in this section
ALSO
If you can use web-service use this web-service to query price list and discount list as work-around, check the below link for more information.
http://help.sap.com/saphelp_byd1602/en/PUBLISHING/PSM_ISI_R_II_QUERY_SALES_PRICE_LIST_IN.html
Regards,
Arjun