Yes, you can find a black computer desk at stapes. However, it may not be the design that you desire at your specific store. Therefore, I would suggest using staples.com, and with their customization system, design the computer desk in black that you desire and have it shipped to you for cheaper than going to a store and seeing less variety of black computer desks.
You can find a small computer desk for your home office at a variety of lpaces. You can try office depot, office max, staples, walmart, costco, or just online.
I'd recommend looking at Office Depot or Staples for a mobile computer desk. However, if you have a tight budget and are looking for something a list less costly, I'd also recommend looking at Walmart.
You can purchase a black computer desk at Ikea, Staples, HomeDepot, Canadian Tire, Walmart, and at local garage sale! Or go on Kijiji or Craglist for a second-handed one. Sometimes you can get one for free by picking up one from the recycling area of Condo or an apartment.
Bush Stanford computer desks can be found online or instore at such stores as Staples, Walmart, or DFlop. The reviews indicate that these are a great quality product.
Several local stores may have black computer desk in stock. I would first visit these stores because you maybe able to find your best deals there. Also, try yard sales or flea markets.
You have a wide selection of retailers to select from when purchasing an "I" shaped computer desk. Some examples include Kmart, Office Depot, Sears, Amazon.com, and Staples. You can also find local industrial supply stores that may provide additional options in your area.
You can find ready to assemble office furniture at Staples, Target, or WalMart. There are also nicer computer desks available at Crate & Barrel, Thomasville, or any other furniture store.
One can find a Pedestal desk to purchase on Amazon where they are available for between $250 and $600. They can also be purchased from Target and Staples.
You can find a lap desk at Amazon, Staples, OfficeMax, Levenger, Wal-Mart or Overstock. You can also go to eBay or craigslist to find deals on used lap desks.
At any sensible furniture store, although you can often find them cheaper online.
You can find computer workstations desk for cheap at Bizrate. They provide high quality desk for cheap, for your office.
There are a number of stores offering such a computer desk. For example, one could go to walmart.com or amazon.com to find a desk. The benefit of these sites is that there is no tax and free shipping.