I have up on ebay a working Timex Sinclair 1500 system for sale. Check it out!
http://www.ebay.com/itm/TIMEX-SINCL...316?pt=LH_DefaultDomain_0&hash=item4ae4eb106c
http://www.ebay.com/itm/TIMEX-SINCL...316?pt=LH_DefaultDomain_0&hash=item4ae4eb106c