Yeah, there have always been time issues with David.  I had him do mine because we have been friends for a while and he was able to get everything done with motor/tranny/tuning for me in just a couple of weeks, but I know that isn't the norm with him.   
As far as JNZ goes, I would say they can do a good job if you are just looking for a basic swap, stock 2zz/c60/power fc, no head work.  Greenstreak's car was always in Houston at David's house to get something fixed.  PM me if you want, I know of some good shops in Dayton.   
Here was the awesome guage cluster LR made for me, god I miss my spyder: 
http://www.newcelica.org/photopost/data/500/medium/9664100_0666.JPG   
http://www.newcelica.org/photopost/data/500/medium/9664100_0672.JPG