Vintage computing spots in Chicago?

[Tom Uban]

On 1/5/20 5:39 PM, John Herron via cctalk wrote:
> I'll be in Chicago for a week soon for a work event. Limited time for
> myself but I'll have some time Sunday to maybe Uber around. Any suggestions
> or cool spots for a computer collector to hit?
>
> I see a museum of broadcast communications is close to where I'll be  which
> may be neat. Not sure if there are any used stores that might have vintage
> computers but always willing to try.
What do you collect?