Wizard,
I'm in the same situation as you in Nevada. I believe I have 7 points. I wish I would have started building points in multiple states when I was 14 years old but I didn't have an extra $200 a year to donate to NV until I was over 30 years old.
I've done the math and realize I will likely never draw a bighorn tag in NV. However, I have a better chance of drawing bighorn in NV than most states as a nonresident. Based on my Dad's and my grandfather's health, I'll likely have another 30+ years that I could physically hunt sheep. I'll probably end up with 40 or 50 sheep points in NV before I give up because I'm aged out. If I keep at it and draw a sheep tag with 55 points when I'm 85 years old, even if my physical health is limited, I'm sure there will be many guides that specialize in geriatric clients.
The future of sheep hunting in the west will be geriatric hunters. Point systems set up in most states strongly favor those that have been applying the longest. 20 years from now there won't be many sheep tags going to hunters younger than 50 years old.