the pushing out is the best bit.. it might be the sorest, but for me i barely noticed the pain at that stage, because you are SO focused on pushing, and you are actually doing something productive rather than just being in pain...
i was like you hun, i was PETRIFIED.. to the point where i wasnt sleeping etc for worrying about it, i was convinced something would go wrong, or id have a really hard difficult labour with all sorts of intervention and drugs... the reality was a very straightforward water birth with only gas and air! i never ever believed that i could have done it like that but i did! i wont lie.. it hurts like hell, but i loved every minute of it! i wish i could do it again tomorrow, and that was with a back to back labour, and a 2nd degree tear.. honest hun, dont listen to the scary stories and focus on the positive ones.. its an absolutly amazing magical experience, and just try your best to enjoy it, because once its over its over!