Hia hun,
I trained with Sunless Solutions and still use them now having tried nearly all the other brands including the most famous ones. I can honestly say my clients love it! Never had a bad word said about it. Smells great, looks really natural and can last for up to 2 weeks!!! I was like you and sent for samples from every man and his dog! Sunless still comes out top. You can contact Tonilee on the geek (the tan guru) she works for SS and is great.
The only other one I can recommend is Simply Bronze, a company based in Ireland, I met them at Beauty Uk. Their product smells just like Dove and is also a great colour. They are selling it at 20 a litre which is brill so they're def worth a try.
Good luck and happy tanning
xxx