This looks interesting:
Can't see the LED, but that's the only issue I see so far.
Powermac 7200 7300 7500 7600 Lower / Zip Drive Bracket for ZuluSCSI SCSI2S | eBay
You're buying the white bracket in the photos. You've got front access to the SD card and serial port.
www.ebay.com
Can't see the LED, but that's the only issue I see so far.