Here is a sample of the quality achieved using my system.
Sky HD (component & optical) -> HDPVR -> W7MC -> .wtv format -> .ts format (with commercials removed VideoReDo)
Complete name : Y:\Sky HD Movie Rips\Wall-E (2008)\Wall-E (2008).ts
Format : MPEG-TS
File size : 5.78 GiB
Duration : 57mn 57s
Overall bit rate : 14.3 Mbps
Video
ID : 514 (0x202)
Menu ID : 1 (0x1)
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L4.0
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Duration : 57mn 57s (whole movie not recorded...)
Bit rate : 12.9 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 25.000 fps
Resolution : 8 bits
Colorimetry : 4:2:0
Scan type : Interlaced
Scan order : Top Field First
Bits/(Pixel*Frame) : 0.249
Stream size : 5.22 GiB (90%)
Color primaries : BT.709-5, BT.1361, IEC 61966-2-4, SMPTE RP177
Transfer characteristics : BT.709-5, BT.1361
Matrix coefficients : BT.709-5, BT.1361, IEC 61966-2-4 709, SMPTE RP177
Audio
ID : 513 (0x201)
Menu ID : 1 (0x1)
Format : AC-3
Format/Info : Audio Coding 3
Duration : 57mn 57s
Bit rate mode : Constant
Bit rate : 384 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Surround: L R, LFE
Sampling rate : 48.0 KHz
Stream size : 159 MiB (3%)
Language : English