.... or go nuts-the sky's the limit - and why
This ->
65120B Series Impedance AnalyzerFeatures :
Precise high frequency impedance measurements
Characterize components from 20 Hz to 120 MHz
0.05% basic measurement accuracy
0 to +40V DC bias voltage and 0 to 100mA DC bias Current (Option)
±40V DC bias voltage (Option)
Comprehensive measurement functions
Easy to use with large TFT touch screen
Clear graphic displays aids measurements
Traditional LCR Meter mode for single and repetitive measurements
Resonance Search
Equivalanct Circuit Analysis (Option)
Intuitive user interface
Fully programmable over GPIB and LAN
Polar and Complex Plots available (option)
Multi Measurement Mode available (option)
Keyboard and mouse optional control
Competitively priced
As for why ... well, just say I will be trembling for days or even weeks, if I have one of this at my bench table, enough said.