I've also got an EVO (177) mate, totally agree with woodga, first choice for me would be the AA field, a couple of others to look at are Bisley LRG and Webley Mosquito Express,
Not had the gun long but have taken rabbits and woodys with head shots, dropping them on the spot ......... no probs at all, also good groupings on the paper
Just to add, when i purchased my gun, the shop ( Drapers in Notts ) chronoed it at 11.89, i asked wich pellets they used, answer.... AA FIELD DIABLO, aparrently they are the
'MOST EFFICIENT' there fore giving the highest reading to ensure we stay legal.