Hello Simon, you have probably searched a lot of sites alteady at this stage. I'm only guessing? I don't know? I also don't know how you are fixed financially? If you are a little short, I would like to sponsor you for £100 worth of units, I think they are what those sites give you, to help you with your search....
All you have to do is tell me the name of the sites you would like to spend it on, and I will purchase them for you, and furnish you with the details and passwords through this site.... Take your time and research each site well, as some of them are not as good as others. You don't have to spend it all in one go, be wise, take your time and use it as needed.
If finance hasn't been and is not the problem, then all I will ask, is you don't just take it for the sake of it, as it may be needed for someone else?....