I have a 50MHz version, HS3 as described here:
http://www.tiepie.com/en/products/Oscilloscopes/Handyscope_HS3a) yes, Windows only, haters gonna hate.
b) I have no probes, but they are $29ea many places. I will include a BNC to
clip lead output cable for the generator side.
The current price is 1098EU or $1500.
I will sell for $450, free shipping. Works great, software easy a PIE (get
it) to use.
Email if interested.
Paul S.