Next: Security+ or 70-291

Two questions, but the answer to both may be the same. I need these two to complete my MCSA.
Which is easiest?
Which would help the other the most? Does one build on the other or are they mostly different subject matter with some overlap?
Which is easiest?
Which would help the other the most? Does one build on the other or are they mostly different subject matter with some overlap?
CERTS: VCDX #110 / VCAP-DCA #500 (v5 & 4) / VCAP-DCD #10(v5 & 4) / VCP 5 & 4 / EMCISA / MCSE 2003 / MCTS: Vista / CCNA / CCENT / Security+ / Network+ / Project+ / CIW Database Design Specialist, Professional, Associate
Comments
The easiest way to become MSCA for you is pass CompTIA A+. (really easy exam)
"To receive an elective credit toward the MCSA certification, candidates must earn the CompTIA A+ credential and either the CompTIA Network+"
refer to below links..
http://www.microsoft.com/learning/mcp/partners.mspx
http://www.microsoft.com/learning/mcp/mcsa/windows2003/default.mspx