The new map rotation is now: zpo_aquatica zpo_area41_vf3 zpo_biotec zpo_biotec_cvg_v15 zpo_blackbird_final zpo_bluevelvet_e1 zpo_core_complex_v3 zpo_corpsington zpo_deadblock zpo_harvest zpo_haunted zpo_keretti zpo_murksville zpo_redqueen_cvg_r101 zpo_resevil_mov_b11 zpo_shreddingfield zpo_spacedead_b4 zpo_zombo_armory_final zpo_zomboeing_v5 zps_smash_cannonz_som_v3_1 It's a selection of some suggestions by !nfusOH™ and more quality maps I played on ZPS.
In case of Biotec, yes you do. Some people like the older version where there's no ramps from the garden to the corridor. zpo_biotec_cvg_v15 also has some gates near the offices and lab, so people can't spawncamp and hoard weapons there.