Thanks for the note about cost and perf targets. If I went with something new rather than used, what do you think is a reasonable amount to budget for a mid ran

Thanks for the note about cost and perf targets. If I went with something new rather than used, what do you think is a reasonable amount to budget for a mid range dev box. $500? $1000? I've only ever bought laptops, so I don't have great intuitions about cost here.