Really it's all over the board. I shot my first feature in 1998 with $18k, 30 rolls of film and an Aaton LTR. I had 2 crew members, myself and a kid I found to hold a boom and start and stop the DAT. That ended up winning the one festival I entered it in. So, my point is, I would think less in terms of being concerned with what is standard and more in terms of what you can get away with for the vision you want. Me personally, I would rather have an Alexa and a few dudes on a crew than a bad camera and a lot of dudes. (I assume you want to shoot Alexa as you are at an Alexa forum). I spent half my budget on shooting film at the time even though I had my dad's free Betacam to use. I know there are exceptions to the rule where there has been great work with "cheap" cams, but personally, I can't stand doing all the work to build a story and execute the plan only to go to a less than ideal image capture device.
My second piece of advice is you'll probably get way more feedback at a filmmaking or cinematography forum than one about a specific camera
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