I mentioned my DR 40 as an example only, For most people the 2 track recorders are a lot cheaper and that much easier to operate. But that said, I often lend my DR 40 to my wife when she goes to conferences and she's never had a problem recording with the mikes. Hit the record 2x. Once you configure it it remains staatic, I rarley have to go into the menues. But they are no different than a digital cameras menu, set the date etc. The DR40 is a bit more complex because you have the differnt recording options but there's a dedicated button for that.
I like the fact it uses a full size SD card. Most use the micro SD which don't hold as much data.
I bought my band mate friend the TAscam DR 05 for $75 and it's all you really need.
I think the Zoom and Tascams are very close but it's worth while to compair features.
USB buss power?
SD card?
Overdub?
Full size headphone jack?
Movable mike possition ?
XLR or mini jack aux inputs?
And a note about editing. I dump my files into Wave Lab where I top and tail and normalize. You generally won't want to record to hot to avoid clipping. SO some sort of editing will be needed, mostly normalizing.. never had to deal with noise ever, they record real clean unless your in a noisy room.