(Image credit: Future) Tested by The perfect controller has: Symmetrical analog sticks, a D-pad that's four buttons (not a pivot), analog triggers, quiet face buttons, and a weird feature you rarely use, but are glad to have. This week, Valve released a $99 Steam Controller the general public was so excited to have that it sold out in 30 minutes , temporarily tanking its service in the process. It was the best selling product on Steam despite zero active players (dead device?). Not to brag about spending too much money on a controller I don't strictly need, but I got one. It arrived unceremoniously at my door and remained in its box for almost seven years. A few months ago, I finally cracked it open. Honestly, it shattered my expectations. Article continues below To be fair, those expectations were pretty low. I'd heard for years that this thing is clunky and awkward to use. It's obvious what people are referring to with those judgments, but so far that's not my experience.…