Just my opinion, but you can get that basking like $6 for 3 at lowes if you dont want a picture of a lizard on the cover
I would get a 10.0 for a spiral, a 5.0 spiral on a screen, is only going to get 1/3 of the uv to the lizard tops(at least with a linear tube half the light gets to the lizard without a reflector). That might be fine for a non growing adult, but might be low for a fast growing baby.