Anyone have experience using these 2 strings ? Gamma Synthetic Gut Weargaurd 17 Reel http://www.tennis-warehouse.com/Gamma_Syn_Gut_WearGuard_17_White_660_Reel_/descpageACGAMMA-GSGWR17WH.html vs Babolat Conquest 17 Reel http://www.tennis-warehouse.com/Babolat_Conquest_17_660_String_Reel_/descpageACBAB-BC17R.html I been lookin for a new cross string so I'm just asking around. What's the main difference between the 2? Which has more spin / power / control ? Any input is appreciated.