Damn man, I don't know if they make ladders long enough to get you off that high horse you're riding!
-In what programs does your 6970m outperform a 680mx? Because the 680mx is significantly better if we look at benchmarks, not to mention is a nvidia kepler based and will destroy any adobe or other CUDA optimized programs. Which are most design/creation/graphics programs now. I wont even bother discussing the lower models, because you want TOTL
-You won't see apple move away from a mobile based gpu for a while now that they've taken the "slimmer is better" design. Mobile cards offer significantly cooler temps and maximum efficiency over a bulky card. They may perform slightly worse than a regular GPU, but not by much. Want better GPU performance that a 680Mx won't offer? Get an actual tower with a physical card. You wouldn't look at an imac anyways if you were doing anything that required top of the line graphics performance (fixed primary monitor) and you sure as hell wouldn't be shopping a Geforce card (think Tegra/Telsa workstation cards)
-Optical drives are being phased out everywhere, glad apple took this step. BlueRay failed to take off like DVD did, and now a digital marketplace/medium is where the consumer and producers want media to be sold as quality is much higher and connivence is second to none. Name three things that you want to use a DVD drive for, and why buying a $20 USB one (that will be faster read/write than a built in one anyways) can't fix that problem. Don't say budget, i think anyone looking at the TOTL model can spend $20 extra.
-No SSD? Configure 768gb of flash storage, might be the most expensive option but thats TOTL at apple. Need extra storage and wanna bitch about that? Thunderbolt will give you performance faster than any drive can read/write, configure an external or two that way. Don't you have to remove that precious optical drive you so desperately need to configure a second internal anyways? Regardless of that, anyone looking at this TOTL computer would be investing in external raid setups/hard drives (And won't be moving a 27" computer around where that'd be inconvenient, I'd hope)
-Lastly, I'm just curious, but what do you do that requires the TOTL iMac? I swear all you do is pay attention to your tumblr