We are also looking at a new PDM/PLM solution.
There are several out there so you really need to specifically define what you want to do before you start looking.
The price per user will only be part of the costs. You will also have implementation costs.
The cost of Enterprise seemed pretty typical with most that were comparable products.
Here a list that might help you begin your search.
We were looking for something with more PLM capabilities.
You might find something in the list of companies I looked at.
PDM and PLM Software Company Product SofTech, Inc ProductCenter PLM KeyTech Concurrent Systems CSI DDM (Design Data Manager) Synergis Adept BlueCielo ECM Meridian Enterprise Solid Works Enterprise Enterprise PDMWorks Dassault Systems Enovia, Smart Team, V6 ACS Software AutoEDMS CMStat First Trace Kinnosa One Helix PLM360 Cideon Master control Aras Corporation Aras Innovator Arena Solutions MechWorks DBWorks M-Files Omnify Software Omnify PLM Oracle Agile PLM Oracle PDM Lynx PSA, Professional Systems Associates CMPRO PTC WindChill RevZone Siemens Teamcenter SolidPartners Activault Stratus Araa Partner Alfresco Dexma ETQ Hyland OnBase IBM ECM - P8 Xerox Com Doc's DocuSphere
Great list but don't forget GrabCAD in there too