Should i get this map Pack?

i wanna get the First Strike map Pack with my Gamestop Reward Points. ( i have escaltaion ) but a itunes card would be nice. ( but i have two music cds ( now 38 and Chris Browns new one ) so i can get music that way too. so should i get the First Strike or Not? ( i getting annilition i turning in halo reach this week for credit and i preorder annilition map pack ) P.S. if u get the Annilition Map Pack at Around soon as it Comes Out at MidNight do u want to be Part of my Youtube video of me and friends leaving crawlers and finding easter eggs check my Youtube for more info - MasterZippy108