Signed copies now available
My local specialist SF bookstore here in Edinburgh is Transreal Fiction. If you want to get hold of a signed copy of "Accelerando" you should contact Mike Calder, the proprietor. He can take payment by credit card or PayPal and he can arrange for me to drop by and sign books before mailing them out. For the Ace hardcover of "Accelerando", which just arrived today, the price is £16 per hardcover, plus £4 postage in the EU and £4 (surface) or £8 (air mail) for everywhere else. (If this price strikes you as high, please bear in mind that (a) these books are international imports so you're effectively paying two sets of international postage, and, (b) Mike runs a tiny hole-in-the-wall shop and can't get the same discounts as, say, Amazon.)
Transreal's phone number and email address are on the website; note that Edinburgh is four hours ahead of EST, so if you're going to phone rather than email please take the time difference into account! The shop closes for the evening around 10:30am by California time.
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Update
I've just updated the HTML and Plucker versions of the book, correcting the typos I've been notified of. (Most of these were introduced in the RTF to HTML conversion process, so I haven't updated the RTF version. The Plain Text version can fend for itself.) There's also now a basic PDF version, thanks to OS/X's built-in ability to handle PDFs – don't expect working bookmarks or an index, though.