How to tell if ex is over me or not?

Me and my ex finished at xmas, due to her feeling i wasnt giving enough effort into relationship, she had moved 250 miles away to take over a house tenancy a few months before, which i was going to move down, had we not split up. we had been together for 7 and half years, i was her first boyfriend, we had a really good relationship, until the end where we always seemed to argue. anyway, a few weeks later, she said she had met someone, just seeing them, and having fun, she told me she had had sex with him, it was just as friends, etc but he wasnt her boyfriend. she has text me every month a few times, asked me to ring her several times, is insistent she wants to be good friends, tried to add on facebook since i deleted her, etc. she told me, she stopped seeing him, and a few weeks ago, she told me she met someone in a club, who is so much like me, its scary, shes going to see how it goes. ive met someone 2 months ago, and while im happy with her, truth be told, i think about my ex a lot, always looking at her pics etc, and imagining what she would do in different circumstances, i think i stilll love her, and i found break up hard. my ex tells me shes over me, she just wants to be good friends, she still thinks about me though, and thinks of things to say to me only she could tell me, and she says to text whenever, shes always nice, always when we do speak, she speaks to me for nearly an hour, wanting to catch up with my life, tells me shel always care about me etc, but just as a friend, for timescale etc. she text me yesterday, asking me if i could ring her to catch up, i said il txt or go on msn, but i dont want to speak, as i find it too difficult to speak on phone, it reminds me of what i lost, and its maybe a bit too difficult to be friends right now, she really wanted me to phone her, i didnt anyway, and she text asking if ive seen her new pic on facebook, do i like her hair etc.. she told me before, she will be open minded about getting back with me end of year, she needs time and space thats all, she also told me recently, she hasnt ruled out totally never being with me again. anyway i text yesterday, just saying out of curiosity, has she changed her mind, does she always just want to be friends, nothing else, she replied back with, in her words, shes pretty sure she just wants to always be friends, however, shes open minded, which is why she says never say never. my question is basically, should i take it at face value that shes over me, that she just wants to be friends, i am important to her just as a friend, or should i take it like shes not over me, she wants to just have life experiences, and get things herself, and she does want to get back with me in time? its just bugging me thats all, i want to try and be happy, and move on with my life, yet at same time, i do love her, and sort of do wish we could get back together if me and my new girlfriend dont work out, i am giving it my best shot with my new girlfriend though, im not using her, or im on rebound etc. i have told my ex, i do love her still, and do miss her, and sort of do hope we end up together. we have a bit of debt together, and all her things are still at mine, 250 miles away, other than that, we have no children etc, what should i really think, is she over me or not?