Althought Alien Crossfire (the expansion for Alpha Centauri) for Windows is out of sales, it's still able to get at:
http://www.softwarefirst.com/Product...ebRef=10081089
http://www.ebay.de
http://www.ebay.com
The prices are so extreme different, that it's worth to order it overseas:
Watched prices at 04/07/2002 (Average rate: 1 USD = 1.20 EURO = 0.70 GBP):
http://cgi.ebay.com/ws/eBayISAPI.dll...tem=1343297489 = eBay.com #1343297489 USD 79,-
http://cgi.ebay.de/aw-cgi/eBayISAPI....tem=2015284376 = eBay.de #2015284376 EURO 12,-
http://www.softwarefirst.com/Product...ebRef=10081089 = softwarefirst.com (UK) #10081089 BP 5,-
As all language versions work together and the respective language files for download are at
http://alpha-centauri-stuff.cjb.net/
you don't need to buy the same language version of SMACX as you SMAC have already. You may spare a lot of money as the overseas shipment isn't so expensive.