Mac and Excel

Not having a Mac in front of me, but having a consultee with one, I
pose the following question:

Is there an easy way to transfer a Mac excel data set (columns, etc)
into R (only on a Mac)?

Verified existence of such a thing would be great; I've been uncertain
as to the best way to get data in/out of R (on the mac, of course).
An actual algorithm/procedure would be met with great rejoicing.

I think I'm going to have to get one of these things sometime soon,
since they aren't going away (anyone see the article of the titanium
G4 powerbook that set off a bomb scare at US airport :-)?

(note - I _DO_ know how to do it; it's trivial for me, at least, using
windows and/or unix, it's the Mac-centric solution that I'd like)

best, 
-tony

A.J. Rossini				Rsrch. Asst. Prof. of Biostatistics
UW Biostat/Center for AIDS Research	rossini at u.washington.edu	
FHCRC/SCHARP/HIV Vaccine Trials Net	rossini at scharp.org
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