A look at what is currently available on eBay MDSO USB Bandwidth 20M Dual-Channel Digital Storage Oscilloscope + Data Logger US $92.99 2 Channel PC Digital Storage USB Oscilloscope Probe CD US $27.93 Tektronix TDS 1012B Two channel digital storage oscilloscope 100MHz/1GS/s US $800.00 Rigol DS1052E digital Oscilloscope 50MHz 1 GSa/sec 2 channels plus USB [...]