Well, the struggle continues... My product feed still has a glitch, but I have 2123 products showing up now. That's better than 832 products from a few days ago. Thanks to Wanelo for looking into the problem. I'll be happy to see all of my products listed soon!
By the way - EASTER SALE on my main website! Use coupon code EGGSTRA for 15% off your order at http://spinstershoppe.co through April 5.