A good DSO will change the way you work and debug. Get real familiar on how to add various functions to the displays (duty cycle, DC offset, peak to peak, etc), I find those functions as usefull as displaying the wave form, Also one of these came in real handy for the TTSH: http://erthenvar.com/store/audio-cables/3.5mm-to-bnc/3.5mm-to-bnc-100