A look at what is currently available on eBay SainSmart ARM DSO203 Nano 4 Channel Mini V2/Quad Pocket Digital-Oscillo​scope US $176.99 ARM DSO203 Nano V2/Quad Portable Digital-Oscillo scope 72MS/s 4 Channels US $382.99 ARM DSO203 Nano 4-Channel Pocket Digital-Oscillo​scope US $176.66 Pocket 4 channel Digital-Oscillo​scope ARM DSO203 Nano V2 / Quad / TO USA USPS [...]