The Nosram Sirius is the same as LRP Pulsar Sport, and it's 15-20% cheaper than the LRP. Might be an option.
Popsracer: I saw an Asian netshop, which carry the Robitronic Expert. Dont have the link here, but next week I can find it for you. If you get one, ensure it's the second edition.
Schumacher Mi5 - Sanwa MT-4 / RX-462 / KO Propo PDS-2123 - Nosram 5600 X-treme Saddle Pack - LRP SPX Zero/X12 17,5 - Nosram Stealth Touch Evolution - MAAS SPS 9250