You're right.
I read a recent test in the UK where it was priced UKP 800 and far more than 1kg.
But TS supplies the Astrotrac for $493 and 1kg, hardly more expensive but much better than the Skytracker.
http://www.teleskop-express.de/shop/...strofotog.html
But 12V is 10 penlites, not 8.