Which TOTL 1970's Monster Receiver Should I Restore Next? 9090, G-901DB, RX-1603, SX-1980

It's the end of August 2022 and I am swamped with vintage 1970s monster receivers in need of full restoration. Help me decide which one of these iconic pieces to restore next!
Please let me know in the comments which one of these you would like to see on my channel next. Better yet, let me know your ranking from 1-4. I am also interested in which format viewers prefer.
A. Single Video Covering All Relevant Restoration Info
B. Multiple Parts Videos Featuring Detailed Restoration at the Bench
Sansui 9090
Sansui G-901DB
Rotel RX-1603 - • Rotel RX-1603 Repair &...
Pioneer SX-1980
If you are interested in purchasing any of the top 3 units shown in this video feel free to contact me via my facebook business page.
/ novaluxstereophonic