spectra bottles

first time pumping today. im using the spectra bottles/nipples. anybody have any issues with these or should i use a dr brown bottle or scent bottle instead? i’m really scared my newborn may not like the bottle or after introducing it, his latch will not be the same. anyone have any advice or any words on this issue? i don’t plan to pump and bottle feed him often but i am leaving baby with my hubby for a few hours tomorrow.