We try to pick playtesters who enjoy playing with specs within a range of the racquet and try to not put someone who enjoys heavier racquets (like Troy or Andy) on a sub 11 ounce racquet or vice versa. We also try to get a range of different playing styles on each racquet. The playtesters on these reviews is a mix of the following playtesters- Andy, Jason, Tiffani, Karly, Chris, Spencer, Granville, Mark, Troy, Sean, Mike and me.
You will definitely be seeing more of Mark and Karly, they are both in several of the reviews listed. As far as Tiffani goes, she is currently pregnant and after her one playtest (TRebound) she will be taking a break. Not to worry though she will be back on the court in no time!