The DS4012 100MHz 2-channel Digital Oscilloscope from Rigol is a high performance test tool that competes head-to-head with other more expensive brands, but at a better price point.  It incorporates Rigol's advanced UltraVision technology for a very fast refresh rate of 110,000 wfms/s. 

Sampling at up to 4GSa/s, the DS4012 offers an amazing 140Mpts of buffer memory – one of the largest available anywhere!  That means you can drill down deep into a long data stream for those elusive glitches! The Rigol Technologies DS4012 is ideal for a wide variety of applications, including communications, defense, aerospace, industrial electronics, R&D and education.  Two 500MHz probes are included.