Motorola RAZR V3

For Christmas, I will be probaly be switching to Cingular, or just stay with Alltel. I am getting the Razr V3 and i kno with alltel, u get texting unlimited in ur plan, but wat about cingular cause me and my sister love texting and my sister has a bf and they text back and forth! so please respond if they have that in there plan and since im still young(kid almost a teen) my hands are small and would it be easy to text?? is it unlimited on cingular in your plan??!?!?!? i am getting the pink razr v3 and probaly with cingular but might stay with alltel.help!!!!!!!!!! 🤤 😉 😢 😳 🤤 🤤 🤤 🤤