Gollum, One of the best, low cost scopes, is the Digital Blue QX5. It has magnification of 10x, 60x, and 200x. They were originally made for, and sold at, "toys R Us!" You can find them on eBay for about $50.00. There are two models, the QX3 and the QX5. The 5 is the best, but both work in the same fashion. They have a PC interface, and work with most software systems. I have used mine with Windows Vista, and Windows 7, as well as older versions of windows. I also have the Leuchtturn Microscope, but the QX5 provides a better image than the Leuchtturn.