Second the fact on laptops - they are indeed ergonomically evil, unless you have a laptop stand with an external keyboard ...but then you might be on a "web 2.0 three month mashup" - in which case it is probably ok , anything longer and youll screw up either your wrists or your neck if not both.
If you want to have good food too consider moving your startup to india - it costs around 60$/mnth for your own personal cook.