I have only had two PSUs die on me out of the fourteen I have owned in the last five years, both were Silverstone. The first was a Strider Plus 500W that just stopped working , my warranty had just run out when that happened so i was SOL. The second was a Strider 850W that would squeal loudly if it was loaded with more than 250W, that PSU set itself on fire at just over a year old. It wasn't a beast of a system (Core 2 Duo, Radeon 4850 and three SATA drives) that brought it to an early death. I contacted the Silverstone RMA department as it was under warranty and didnt hear back, so i tried again for months but they never replied. Eventually the warranty period ran out and I got screwed, so I say screw you Silverstone. You make nice cases but I will never buy one of your PSUs ever again.
The other PSUs I use for my personal bulds and for friends and family are Seasonic, Corsair, Antec and even a few FSP models and no issues with any.