Talk given as part of the European XFEL Users' Meeting 2015. Topics include: High Energy Density science; HED unique properties; integration of HED and HIBEF UC; DIPOLE 100-X; review of 2014 at HED; refined HED model (3D); X-ray optics hutch (HED-OPT); HED-EXP; HED-Laser room (DIPOLE-100-X & UHI model); HED experiment hutch; Interaction chamber 1 (IA1); area detector issues; forward diffraction experiments; concrete detector choices; damage issues – windows; early experiment program.