So I just noticed that my steering box is leaking. The resevoir is still just about full so I'm not leaking a ton, but I'd like to know what makes sense at this point.

Rebuild kit ($30+)? And is it worth the time vs. a "rebuilt" steering box at $250-$300. My steering is still relatively good, so I don't think the box is really worn out (185K miles). Does a rebuilt box give me a lot more life expectancy? What else should I replace at this time - the fill and return lines from the power steering pump?

Here is the leak from the top

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~shell
As of 2/2010:
2001 CLK55 0o\=*=/o0
13.6 @ 106mph
10K mi
1984 300SD
260K mi and going and going...
97 S600
46K miles
1991 Sentra SE-R (extremely dorked with)
www.se-r.net