I use a combination of Fluke 289's, Fluke 435 II, Fluke 190-204 4 channel scopes and an 8 channel Picoscope, it covers everything i can think of on both input and output side and can be used safely with all doors firmly closed while running.
Click image for larger version. 

Name:	IMG_2140.jpg 
Views:	18 
Size:	105.1 KB 
ID:	812735Click image for larger version. 

Name:	IMG_2464.jpg 
Views:	18 
Size:	76.8 KB 
ID:	812736