I started this pack a long time ago and never got round to finishing it, anyway I dug it out today and stuck it online, Hope you find a use for some of the 27 objects ;-)

http://www.psionic3d.co.uk/cgi-bin/imageFolio.cgi?direct=Free%20Stuff/3D%20Models

Heres a little more info n pics of some of the stuff:-
http://www.psionic3d.co.uk/wip/scifi/wipscifi.html