I would go with the suggestion, and change your links to point to the domain root. There are a few reasons. First, you lose the processing overhead of having to process the redirect, and you slightly cut down on bandwidth as a result (browsers only make one request, not two).

Additionally, it may take longer for pagerank to be calculated through a redirect than a direct link. The current theory is that a 301 redirect does not lose page rank, however since the spider has to crawl both the URL containing the link and the page doing the redirection, it may take some time for the two pages to "merge".

Finally, Google has stressed several times that they like consistency. This has been posted both in the Google webmaster forums, the webmaster blog and on Matt Cutts' own blog when he talks about canonicalization issues. For whatever reason, they recommend that you make every effort to link to the target page, not the redirection page.

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