>8 or 10 extra fields or more, tons of records, >50% null ? go with 1-to-1.
>
>A couple fields, few records, and or few null? probably in same table.
>
>I am a big believer in the practical, the flexible, the speedy, and the user-friendly over the "academeic" when there is a conflict.
>

Many will argue that the more normalized form is more flexible, and practical. It may or may not be faster...