On the developer upgrade landing page, we talked about a four-exam upgrade path for MCSDs to earn all three MCPD certifications and there have been a number of discussions about this following our VS2005 live meeting. The fact is, the systems are set up so that if an MCSD holds both MCPD: Web and MCPD: Windows (which can be earned with 70-551 and 70-552), then he or she can take exam 70-554 and be awarded the MCPD: Enterprise Applications. These don’t have to be taken in any particular order. Reminder: only MCSDs can get upgrade credit for 554 or 553.
We’re in the process of updating the table on the developer upgrade page (http://www.microsoft.com/learning/mcp/upgrade/default.mspx) to make this clear… right now it is only presenting the two four-exam paths as options, which is incorrect! Thanks for your patience.