Personally, I prefer less but more creactive/versatile abilities. The Gloom for instance, is another rogue-like monster here, that at first glance gets a lot less abilities, but a good chunk of the Gloom's abilities are outright more versatile/stronger or both, like a custom magic weapon that can be easily pimped with poison, area fear, true strike spam and immunity piercing.
One more thing, in your daylight vulnerability, it's 1d4 per spell level or caster level?