Default [Q]SAMSUNG GT-P7500 I WILL FLASH [ROM] NOW ON A v4.05 Ganbarou ROM

I AM ON A v4.04 Ganbarou rom on my GT-P7500

and i will flash again ganbarou v4.05

did my tab will wipe data? like applications, etc. again? what GAPPS WILL I INSTALL AGAIN AFTER I FLASH IT?

THX FOR REPLIES!! IN ADVANCE HOPE THAT WILL ANSWERED THIS QUESTION ASAP

CREDITS: THX TO BeeGee_Tokyo

http://forum.xda-developers.com/member.php?u=1360332

I am highly appreciated to your custom rom and my tab became more easier to use THX THX THX