Purple Kona time got the frame for karma and absolutely love it! A great steel feel and the Salsa fork lets it sing. 29er's IMO are perfect singlespeed chariots.
If so, here is my alpinestars cro-mega SS. The frame and forks are a 1992 alpinestars cro-mega converted for discs, the componentry is modern though with Shimano Deore and Alfine mixed with Truvativ. A full build thread can be found HERE.
Tange Prestige retro-esque anniversary model to celebrate 10 years of their frame design. Kinesis lineage goes back to the Ballistic MTBs - put them side by side and this is visible.
i'll claim my place in the lineup with this,
i need to get some better pics but here goes for a starter
chain tensioner and nicer chainring bolts have been added since this piccy