Many thanks Tom,If you look back a few posts, you'll see a member has kindly uploaded it: http://www.vistax64.com/drivers/185132-unofficial-drivers-epson-perfection-1660-scanner-6.html#post1373064
Just in case the attachments are cleared out any time soon, I have uploaded it to quite a few other websites:
Download links for Epson1660_Vista_x64_v1.zip - Mirrorcreator - Upload files to multiple hosts
- Mega (Note: Decryption key required, I will only provide this if all other links are dead)
VirusTotal report: https://www.virustotal.com/en/file/c87816ac491bafa2fab95a7d4a7b995f047420cf2553b852c2df8a76596582cd/analysis/1343505540/
Very much appreciated, I've had to go back to old XP machine to do scans for now, will swap it out for the new Win7 machine again on Sunday and try the driver.