HTC EVO Design 4G / Hero S (CDMA)

Hello my name is rich IM a smartim phone fanatic was looking to buy HTC evolution with boost my one and only question is what is the Max capacity for the phone book contact storage ability 600 or can it hold more i currently have well over a 1000 contacts some of them are from famous celebrities (IM a martial arts practitioner who knows people like Steven seagal jet li mike chat Taylor lautner Tito Ortiz forest Griffin ect.)There numbers are not public knowledge obviously so alot of numbers and alot of numbers i can't get back if lost so need to know ASAP if i would be able to hold more than 600 contacts in phone book contact storage of HTC evolution design from boost mobile thank you