I’ve read rave reviews of the shock tower strut bar online, and met the creator of it last year. I finally bought one at DMC (Midwest). I installed it myself in less than half an hour on a Sunday morning:
Before: 
After:
Old bolts removed, they look bad:
I don’t have the board that goes under the carpet. For now, I’ll just lay the carpet over it:
The bar also helps keep the stuff in my trunk from sliding around:
How does it feel? Great! Noticeable improvement. Less bumpy in tight turns. All around, a smoother ride. I’m glad I made the investment.
Costs:
Shock Tower bar @ DeLorean Motor Company (Midwest): $150 plus tax