I'm by no means an expert, but getting a CMYK profile e-mailed from the
printers and then doing the conversions myself gave a much better
result than leaving it to the printers. I also sent RGB 'AIM' prints
(i.e. they are printed in a wider gamut than the printers will be able
to attain, but it will show them what to 'aim' for). Bear in mind that
once the files are converted, the blacks will look lighter on your
monitor. Don't try and match to the RGB
files, the pale blacks will be darker when printed.
Bob Marchant (see archive for more info) does occasional seminars
covering this. I'll be at the next one - date to be announced.
Good luck!
Richard Lewisohn
http://www.lewisohn.co.uk
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