Oddly enough, yes - I do enjoy the process of building and up-grading my race-rig.
It began with mod'ing my Race-style office-chair to accommodate tactile transducers where I experimented with various brackets and mounting methods. In the end, it was a great success and at the time, I didn't really see myself upgrading beyond that except for, a DD-wheel and better pedals.
After the tactile project, I purchased a used set of CST pedals featuring a load-cell brake that demanded having the pedals and seat tied together in order to take advantage of the increased pedal-pressure I could apply. This led to construction of a basic frame (aluminum-profile) to hold the pedal-set and seat-pedestal firmly in place.
Having the frame then provided the foundation for adding a shifter and hand-brake so, those became the next upgrades. The DD-steering wheel was mounted to my built-in desk and the frame needed to fit in a small space and tuck under the desk. The seat and desk serve as my office work-station and need to play a dual-role as such.
At that point, I figured my rig was pretty much complete but, then I slowly began to pay attention to various types of motion-rigs with the idea that I could add a seat-mover, G-seat or some other form of motion. While I contemplated such options over the next few months, I constructed a digital dash-display, added a triple-monitor setup, VR and few other minor details.
Within the last year, I enhanced the frame and added motion (Platform-based) and soon, will add seat-belts & tensioner for some added immersion for braking-effects.
Plans for the next year (or so) include a motion-system upgrade, and (hopefully), a G-seat of some sort. These may be DIY projects in order to reduce the overall cost but, of course, the time-investment required is quite substantial too.
These projects can be challenging, especially if one doesn't have access to the tools needed but, strangely enough, I keep finding myself wanting to find a new Sim-project to work on.
Designing, building, experimenting and testing has become a spin-off hobby of it's own. The real pay-off comes when I get to combine these two hobbies into one immersive driving / racing experience. So, the next time someone asks me "Do you feel lucky punk?"; I'll be able to say "Yes, yes I do!"