It's built like a tank, it locks like a tank, it feels like a tank... must be a Spyderco...
The C69 Lil Temperance is one of Spyderco's toughest models. The dual liners, compression lock, and thick slabs of G-10 give it that toughness. It's also fugly, but it works.
It feels great in my hand(only from store though, waiting on the backorder log for mine), and holds your pocket tight.
Seriously, most of the Spyderco knives are 'ugly' until you use them. Only a couple have the beauty and grace of a work of art: Calypso jr micarta, SS Dragonfly, CF Dragonfly, CF Civvie(and I know where to get a PE), and the Anniversary Delica(from pics only).
The rest of them is simply a case of they feel good in your hand.
Take for example the C36 Military. Just try to tell me it's beautiful. But it's probably one of the hardest used knives in the lineup. Why? Because it's minimalistic yet high-tech, but thats beside the point. It's used a lot because it feels good in your hand.