I was a co-worker with two people who started using the Kinesis. It took them about a month to get back up to normal typing speed (starting at about 5 WPM!). So

I was a co-worker with two people who started using the Kinesis. It took them about a month to get back up to normal typing speed (starting at about 5 WPM!). So make sure you rent for at least a month.