hi chris - I like the acc. bar mounted shifter fine. I hit my knee on it maybe twice to begin with when out the saddle but never again in the last few years. Today my hands were numb-er that they've been in years on a ride and i found changing do-able, but its a bit close to the bars for a good grip with numb hands. 99.99% of the time it works for me just great. 'course, its not as ergonomic as some solutions, but works great for me.
I did an oil change ad new chain last night. Last could of rides on it, its gone into neutral when selecting 11th until i'd done some back-pedalling. After this maintenance, it was so sweet, smooth and free running this morning, fantastic. But the weather got steadily worse until I was soaked to the skin and totally freezing so couldn't enjoy it any more. If its dry tomorrow i'll nip out the glen for another wee hit.