While looking around for a digital oscilloscope, I found a Tektronix TLS 216 Logic Scope on eBay. By the looks of it, it's a 16 channel digital oscilloscope (not unlike the TDS 1000/2000 series?) combined with the capabilities of a logic analyzer. It's on the very-high-end of my budget but I wouldn't mind spending so much if it will serve me well and last for some time. A few questions: Is this unsuitable for a serious electronics student/hobbyist? Could it be used as an oscilloscope? Is it a viable replacement? Would I be better off with a regular 2/4 channel scope? If so, would a new scope be better than a used scope in the same price range? (ie. TDS 1002 vs. TDS 224) I'm also looking at a Tektronix TDS 224 (4 channel) on eBay -- I have read good things about the 200 series in general so that would definitely be my second choice. Any ideas on what I can expect to pay for this? I'd really like to make the right decision when spending this much but I find it hard to research specific oscilloscope models as most search queries are flooded with test equipment resellers' pages and generic descriptions. I am open to any suggestions. Thanks / James (I've already got an analog HP 1740A, but it's not in the best condition, takes up way too much precious workbench space and I can't capture the waveforms without photographing it) -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist