which phelsuma specie(s) are you planning on getting??
the husbandry of a lined or gold dust is similar to the madagascar giant day, except for the fact that a larger terrarium is required for the larger gecko. I'd advise a minimal 20Gal for 2 full grown day's (although they are not big, this will still allow them to be as active, and promote a healthier life style. I've Done research on the lined, gold dust, coppery and williamsi. All Staying under 7" they are very agile, timid, and seem to have an outrageous personallity.