Biomorph recently bought back a truck-load of their “personal” ergonomic desks from a failed dot-com. The company is selling them (with a full warranty) for ~30% off. They’re still obscenely expensive at $895, and the only surface finish available at this price is the clearcoat, which is the least visually appealing in the catalog. But you’d still get the benefit of adjusting keyboard height and monitor height independently, and besides, the old door-across-two-file-cabinets look is so 1990s.
If you don’t like the clearcoat finish, you can still save $100 off the regular desk price by opting for a pre-owned frame. Also, I understand that some of Biomorph’s other, regular, inventory will be going on sale for the holidays.
Here’s how to justify home-office upgrades: you probably spend 50-60 hours a week there, so you ought to be comfortable. Most people think nothing of having a multi-hundred-dollar monthly car payment, even if the car sits idle in the garage 95% of the time. If it makes you feel better, you can haul your new desk out to the curb on weekends so your neighbors can admire it too.