Windows Admin Certificate

I work as a Helpdesk doing more network Troubleshooting then anything. Now, I spoke with the Wintel Director and he told me that they have a windows admin job opening and he asked me to apply, so we can have an interview. I don't know yet when the interview is going to be, but I will like to be prepare for the interview. I will like to know which certificate and book fit the best for a windows Admin job. I'm not thinking to pass the test before the interview, but I will like to show him that I'm real interesting in this job. He knows that I'm a fast learner because my company sent me for the CCNA training and I passed with good grade.
Comments
Passing either the Xp 290,291 or the elective i believe would give you the MCP cert.
CompTIA Network+ March 7, 2008
MCTS Vista 620 June 14, 2008
MCP Server 290 Nov 15, 2008
MCP Server 291 In Progress (Exam 12/28/09)
Cisco CCENT In Progress
MCP Server 291 In Progress
C|EH In Progress
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CompTIA Network+ March 7, 2008
MCTS Vista 620 June 14, 2008
MCP Server 290 Nov 15, 2008
MCP Server 291 In Progress (Exam 12/28/09)
Cisco CCENT In Progress
MCP Server 291 In Progress
C|EH In Progress