Should i get a what type of deck size should i get?a 7.5x31.5? or....7.0....? or 7.6??? or a 7.5??? i only w

should i get a what type of deck size should i get?a 7.5x31.5? or....7.0....? or 7.6??? or a 7.5??? i only wanna ollie high really high and i wanna kickflip