Imac 32GB ram upgrade

My imac is a 27" mid 2011 model, 3.1Ghz intel core i5 with 4GB stock ram. I use programs like Adobe Premier Pro, After Effects, Photoshop, illustrator, Lightroom4 (pretty much everything on the Adobe Master Suite Collection CS6), Ableton Live, Protools etc. I understand that it IS possible to MAX out at 32GB of RAM.
My question is... Has anyone on here upgraded to 32GB of RAM on the imac? Any problems or glitches? i really want to upgrade but not sure if i should do 16GB or 32GB? Can you see any difference between 16GB and 32GB?
Thanks in advance,
Moe

Hi Moe, it can indeed hold 32GB...
Standard RAM:
4 GB
Maximum RAM:
32 GB*
Details:
By default, 4 GB of RAM is installed as two 2 GB SO-DIMM modules. Two slots free. *Officially, this model supports four 4 GB modules -- one in each slot for a maximum of 16 GB of memory. However, third-parties have discovered that it actually will support 32 GB of memory using four 8 GB modules. In the US (and many other countries), site sponsor Other World Computing sells memory -- as well as other upgrades -- for this iMac. In Canada, site sponsor The Mac Market sells memory and other upgrades for this iMac. In Australia, site sponsor RamCity sells memory and other upgrades for this iMac.  Also see: Actual Max RAM of All G3 & Later Macs.
http://www.everymac.com/systems/apple/imac/specs/imac-core-i5-3.1-27-inch-alumin um-mid-2011-thunderbolt-specs.html
To get an idea if it would help...
In the Memory tab of Activity Monitor, are there a lot of Pageouts?

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