我也貼一下DENON DVD-2800的規格
這台是美規的
所以很抱歉只有英文（我想日文比較難看懂）
日規的編號是DVD-2800-N

• Powered by Silicon Image/DVDO PureProgressive (SiI503) Decoding Engine - highest quality progressive decoding engine available
• PureProgressive decoding features high speed ultra-resolution DSP at 6 Billion Operations Per Second (6 GOPS)with 64Mb external SDRAM
• 4 fields (2 frames) digital video processing for optimum motion detection and compensation
• Accurate 2:3 pulldown detection and reconstruction, even with inaccurately flagged content
• Optimum processing for film content, video content, graphics content and mixed-mode content
• Highest resolution Analog Devices 54 MHz, 4:4:4, 12 bit Video D/A Conversion system
• Progressive & Interlace output (switchable) • Wideband relay switched component video output
• Variable Black Level (Setup): 0 and 7.5 IRE
• Passes below-black (PLUGE) on progressive and interlace outputs
• 5 Picture Memories, with adjustable tint, brightness, contrast, sharpness and gamma
• SuperSub Alias Filter
• Composite and "S" output (interlace mode)
• 2X DVD read speed; 4X CD/CD-R/CD-RW read speed; with 4MB drive buffer memory
• Top audio performance, featuring Analog Devices multi-bit Sigma Delta 24 bit, 96 kHz D/A conversion
• HDCD decoding
• MP3 Playback
• Plays Audio CDs; HDCDs; DVD-Video; Video CDs; Audio CD-R; Audio CD-RW; MP3 CD-R; MP3 CD-RW
• 24/96 digital output; optical and coaxial
• Virtual Surround Sound

有蠻多地方和737不相上下，像是3:2pulldown，畫面微調。
另外還有幾點沒提到的
D端子在美規的機種沒有，要歐系和日系的才有
撥放上也有記憶恢復撥放，還有A-B repeat，slow撥放，還有兩種看不懂...
沒有飛梭遙控器 所以似乎沒有變速撥放功能（好想要...）
題外話
剛剛順便看了DENON DVD-3300-N的規格
發現有雙D解碼
音訊也有支援到 2Hz∼88kHz(192kHz Sampling)
輸出上
video
兩組Composite Video（我還不知道中文，最普通那種啦）
兩組S端子
一組色差
sound
兩組2ch analog
一組5.1ch analog !!(S6D所沒有...)
同軸數位各一