I bought 4 Pelican universal arcade sticks and switched out the sticks and buttons with Happ Competition parts. I think that the layout on this stick is perfect. Just the right distances and sweep on the buttons. Then again, I have large hands. Another thing I did was to put a rubber mat on the bottom of the housing, so that the stick doesn't slide around when you are using it on a table. Also, you need to get extension cords for the cable, they are only like 4 feet long. I've never had any problems with delay. The microswitches from the original controls I took out were sub-standard, real cheap crap and easily worn out. I don't know what the $40 versions are like, they look different from the $60 versions I bought 1+ years ago. I am willing to bet that the SFAE stick has the same crappy internals as the Pelican arcade stick. I will say that convex buttons are the best though. Easy on the fingers.
As for the cheap Pelican universal available at Wal-Mart, they are horrible to play with. The stick and buttons are just poor. But the internal circuit board is easy to work with if you want to create your own joystick.
The Red Octane case is too small, in my opinion. Not enough room for an 8-button layout, and very little space to put your circuit board. And the construction is cheesy, it's mostly held together with hot glue. I hate the plexiglass top, and the red trim on them is this cheap plastic tape that comes off easily. I bought 4 of them for like $25 each, before I found the Pelicans. I mostly use 2 of them for testing new circuit boards, and 2 of them I made into permanent Dreamcast fighting sticks complete with VMUs showing through the case.
I think the X-Arcade sticks are just too expensive, what with all the adapters you have to buy. Plus they don't have enough buttons and a bad layout.
I have no idea about the Nuby or Namco sticks. But, I pretty much believe that if a stick doesn't have true arcade controls in it, it is not worth it.
I make my own sticks now, and just use the controller boards from cheap sticks or controllers. It's not cheap to make your own sticks, but in the long run you have something that will last you for years.