High Tension House is dead. An HTH discography is online here.
Some second hand records and CDs are available
Sometime High Tension House recording artists can be found here:
Lost Found Sound
Tony Valens & the Incisions
Some High Tension House recordings are still available from:
or if you still can't find what you want ask me i might have some spare copies lying around.
PO Box 6283, Dunedin, New Zealand