Hi Swoosieque, your little Opie is adorable  . I understand the clawing habit can be incredibly destructive and a huge headache. At the same time, you've clearly done your research on the surgery, and you can see it basically cripples the cats. I think, since you obviously care so deeply about Opie, it would be best not to go through with the surgery.
My cat still has all his marvelously sharp claws, and they drive me and the rest of the family nuts. He's an ornery cat, so I know he'd never take to those claw shields either. As other members have suggested, getting the scratch boards/logs might help. I also recommend trying a repellant spray on any especial furniture or clothing that you want him to stay off of. This actually worked really well for our leather sofa, though we ended up stopping because my parents missed having the cat climb up next to them  . Also, have you considered clipping his nails? I have my dad hold our kitty, then I take each of his paws, press down to flex out the claw, and clip just the tip. It doesn't hurt him, and he'll have blunter claws for a while.
Lastly, Opie looks like he's still young and developing. He might outgrow this phase or learn not to scratch certain items if you properly train him. The surgery will have a serious effect on him and his walking and balance for the rest of his life, so in my opinion, I'd urge you not to go through with it. Best of luck!
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