So... 15K is the ceiling.

But ~5K is the goal.
And if there were a significant advantage by going 5.5 or 6K, you'd consider it.



I spent 4K on a gaming system, a few years back.
The same system, was upgraded for about 1-1.5K twice.

Each of those upgrades were significant, in terms of performance.
And ultimately, I was as happy with the performance of a system that would have been under 2K (from scratch), as I was with the 4K system.

Although it was nice to have top of the line, or close enough to it.