hello people because the light yield in v 70 is not so special and with me a lamp over is here my question: who has experiences, tips and inspirations or ideas which my next lamp should become? I tend to philips 1.X-treme power 2.X-treme vision 3.blue vision who might have been able to compare these 3 and can share his experience with me(us)? how meaningful are the stars on the packaging? x-power and x-vision have 5 blue 4.5. thx and gruß seppel