Hi list,
I've got 11.6ms latency on a Lexicon Omega, with Pure Dyne and Jack. Audio input through a pitch shifter then output. It's good enough to play expressively, and for only £125.
I recommend it. Ed
Metastudio 4 for Pure Data - coming soon! Metastudio 3 still available at http://sharktracks.co.uk/puredata