Barend Van Nooten and Gary Holland's Rig Veda: A Metrically Restored Text with an Introduction and Notes can be obtained by contacting (this link will be made more direct): Harvard University Press
Converting this text to Mac or DOS seems a bit forbidding at first, but it's quite easy (Revised site note 1/24/10: well, a lot easier now ... I recommend BBEdit for the Mac - and go from there ... ). You can also contact Michael Witzel, the editor, for additional information or access to an e-text of Aufrecht's RV as scholar-ware. To convert it, I've included instructions.
Madhav Deshpande's font, ManjushreeCSX, compatible with LaTeX conversion formats, and MacIntosh word-processors in general, can be acquired by contacting its designer at the following e-mail:
Revised Site Note 1/24/10: The links below are old ones, to pages left as they were for the sake of old site memory. Some funny links from them, and no promises as to what shape their content is in.