I prefer the name Stac - Kelle .... like BM said, has a nice ring to it and find myself saying it over and over in my head.
I think names that are abnormal are good names for companies. People tend to try and say them over and over to get the name right. In this way, they are inputting a memory of what the name sounds like and what the name is spelled like. This helps because people will recognize your company name and know that they have seen or heard it before.
Although during advertising efforts, you might want to add a company motto. This will educate the consumer on what Stackelle actually does. So when they find that they are in a situation where someone is looking for a computer sleeve brand, the person that has seen and heard your company name before can easily relate that name to the product.
Example: If i gave you the name of a company named "Barker's Performance" can you tell me just from the name, what that company makes? No. You know that it is performance of some sort, but what that company actually produces is unknown.
For years Barker's Performance has been known as "Barker Exhaust". Nowhere on the name does it say that it manufacturers exhaust, but that is what people call it. Why is this? Because Barker for the longest time had the motto: Barker's Performance Exhaust on their product.
http://www.barkersexhaust.com/
Even in their website address, you can see that they basically modified their name to what is known.
So having a rare name is good, keeps people saying the name to get an understanding of how it is spelled and pronounced. Motto with a name is awesome, because it describes the rare company name of what it actually does.
Hope this helps.
P.s : hopefully this makes sense, i just got home from chicken wings and beer and am a little tipsy, so i tend to ramble.