If you can live inside of Notes, doclinks are great but when you move to the web they sometimes break. I've been following Ben Langhinrichs blog posts about his product, iFidelity, that among other things appears to ensure that doclinks will work inside and outside of Notes - incliding within IBM's own iNotes mail template.
I have not actually used iFidelity, but from today's blog post it looks like a valuable tool to improve the experience and increase user productivity.
Blog: Why is iNotes a second class citizen?
You can lean more about iFidelity here.