Hello!
I have some new spindles, that I could sell for 350USD shipped to you:
1. Cehisa LF-55 0.55Kw, 220V, 2.3A, 200Hz, 12000rpm;
2. Teknomotor NC-35, 0.36kW, 200V, 200Hz, 12000rpm;
Also one spindle is selling on Ebay:
Metabo 710W 220V 10000-27000rpm from 129.90USD!
Please look on stock photo of item #2, later I will made photos and upload here.
Good luck!