How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
iMac Repairs, SSD & RAM upgarades, Second Hard drive for more storage
2011 imac 27" 32GB - final stage of 1TB + 2TB SSD upgrade (replaced HDD & optic drive). Also cleaned out the fans and case. Running 'SSD Fan Control' & 'Macs Fan
OWC DIY Drive Upgrade/Install Kits for Apple iMac Models
Installing a SSD drive into a mid-2007 iMac | mages' blog
Amazon.com: OWC Data Doubler Optical Bay Hard Drive/SSD Mounting Solution for iMac 2009-2011. : Electronics