DR HD-15 picture quality

they are a very good reciever mate and there is lots of support
i have the same model and for me it's on a par with the tm 5402
this is the spec of the box

Short specification:

3D ready
HDTV: excellent HDTV picture
DVB-S and DVB-S2 compatible
Decoding of MPEG-2, MPEG-4 SD, MPEG-4 HD, H.264 AVC
UPSCALE function for greater picture quality and viewing comfort of SD channels (special algorithm used)
Supports 576i, 576p, 720p, 1080i, 1080p
HDMI output for best digital picture quality without any conversion loss
PrPbY (CrCbY) component signal output for best picture quality
PVR ready: recording and Timeshift functions (using SDHC card in card-reader and/or any USB-drive).
Records can be played on PC without conversion.
Ethernet port for connection to LAN and to remote servers and services via Internet for software upgrades,
etc.
Adjustable speed of RS-232 connection
D.I.Y. dish installation: professional grade SPECTRUM ANALYZER embedded
FFBSTM (Fully Functional Beep-Search) function for dish installation, in cases you don't see the TV, but
you hear the sound
Blind scan of any satellite is possible in SDand HD (together with Spectrum Analyzer that makes receiver
HOT in professional DX communities)
No need to buy CAM for most original cards. Possible to use up to 3 smartcards (2 card-readers + 1CAM) if
required
Smartcard channel zapping time is much better for some of the (via) providers: see and experience for
yourself Self-protection intelligence systems and effective armor: has on-board protection against current
short-circuit over-load in antenna cable (not a common function these days)
USB 2.0 ports (3 of them: 2 at back side, 1 at front) for PVR functions, Media Files, etc)
Media player features: playback of movies, music and pictures from external USB drive
S/P DIF optical digital audio output
DiSEqC 1.0,1.1 support for connection of up to 16...64 dishes
DiSEqC 1.2 and USALS functions for motorized dish control
Subtitles and teletext
Parental control

I have the Dr HD D15 receiver.The upscaling is ok but not great.It was one of the main reasons I bought the box.
If you are watching an SD channel, I have found the best setting is 576p and not Auto.Putting it on 720p or 1080i or even 1080p just makes the picture look a bit blurry on SD channels.