> Just after I sent this, www.speechchips.com came up.. so it is
> possible to source SP0256 chips in America (I am in Belfast,
> N.Ireland), though I haven't found a more local supplier.

The ISD chips are fine if you only want pre-programmed words.
The SPO is available in UK for 9.50 GBP from Greenweld.
The url will wrap but got to their search page and input "speech"

http://www.greenweld.co.uk/cgi-
bin/sh000001.pl?REFPAGE=http%3a%2f%2fwww%2egreenweld%2eco%2euk
%2f&WD=speech&PREVQUERY=SS%3dspeech%26PR%3d%2d1%26TB%3
dA%26SHOP%3d%26ACTION%2ex%3d11%26ACTION%2ey%3d9&PN=Shop
_ICs_152%2ehtml%23aZ733#aZ733
George Smith

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