I just installed this aftermarket stereo on my 3rd gen today, and it's been working pretty well for the price so far. I thought I'd share it with everyone in case you're looking to upgrade. On Amazon there's a $40 coupon right now, so it comes in just over $200 bucks for the system.
https://www.amazon.com/gp/product/B07PF8LXFL/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B07PF8LXFL/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1