How much debt would people say is payable with ease through jobs other than BIGLAW? under 70K .. Under 80k... ??
General rule of thumb: you can afford debt equal to your starting salary.
As for Biglaw, it's generally 200+ lawyers at firms that pay market, which is the top rate commonly found at the top firms in a market. Market is 135 in Milwaukee, 145 in Chicago/DC/Atlanta, and 160 in NYC.
So, if you are racking up 6 figure debt, you better be going to a school that's going to get you a job that can pay the debt. If you're not at a top school (T10/14), you're chances of BIGLAW are slim. It's not impossible, it's just not likely.