Brief overview:
The units are already available in European webshops, the cheapest stores I could find sell the 350W, 400W and 500W versions for 54.12EUR, 67.46EUR and 85.73EUR, respectively.350W: Two 17A +12V rails. Cables: 4x Molex, 4x SATA, 1x PCIe
400W: Two 22A +12V rails. Cables: 4x Molex, 4x SATA, 2x PCIe
500W: Two 24A +12V rails. Cables: 5x Molex, 6x SATA, 2x PCIe