Which MCSE path is better for me?

Hi, I'm planning to study for MCSE.
For the client section, I wonder if I should choose XP(270) or Vista(620)? I also see Vista in the elective section... Vista is newer, is that means I should do vista only instead of XP cuz I think XP will retire soon right?
Also in another section, I can choose either (297) or (29
. Which one is more useful? or popular in demand?
Of course, even though I'm aiming for MCSE. I want to become MCSA and MCP in the mid-way. So I need to make sure the path will satisfy all MCP, MCSA and MCSE.
Thanks.
For the client section, I wonder if I should choose XP(270) or Vista(620)? I also see Vista in the elective section... Vista is newer, is that means I should do vista only instead of XP cuz I think XP will retire soon right?
Also in another section, I can choose either (297) or (29

Of course, even though I'm aiming for MCSE. I want to become MCSA and MCP in the mid-way. So I need to make sure the path will satisfy all MCP, MCSA and MCSE.
Thanks.
Comments
297 v. 298 - Some people seem to prefer 297 because it may be easier because of the overlap between it and 293/294. If you are thinking about going for the MCSE:Sec, you may want to take the 298, so you do not have to take an extra exam.
Passing 270 or 290 will get you the MCP. Vista (620) will get you the MCTS: Vista. To complete the MCSA you need the client, 290, 291, and an elective.
2020 Goals: 0 of 2 courses complete, 0 of 2 exams complete
I'm more familiar with Windows XP. Since I'm using it.
I see. I just found out that 270 and 620 are both electives for MCSA.
hmm...since I'm more familiar with Windows XP, I think I may take 270 first and decide if I should take vista later...
Thx for your reply