French print photography magazine Chasseur d’Images has an image of the Leica D-Lux 4. D-Lux 4 will be replacing the D-Lux 3 that was announced 2 years ago (September 2006). The upcoming D-Lux 4 is rumored to have a hotshoe on the top for better flash photography with a wider lens (24-60mm in 35mm) and has a retail price of around €699 ($980).

More rumored specifications are available below..
LEICA D-LUX 4 Rumored Specifications
Lens:
LEICA DC VARIO-SUMMICRON5.1-12.8 mm f/2.0-2.8 ASPH.
8 elements in 6 groups
4 aspherical elements / 4 aspherical surfaces
2.5x optical zoom
digital zoom max.
Integrated optical image stabilizer
Focal length:
5.1 – 12.8 mm (= 24-60 mm in 35 mm photography)
Aperture: Wide-angle: f2/f8.0 (1/3 EV steps)
Telephoto: f2.8/f8.0 (1/3 EV steps)
Focusing:
AF: Face recognition, AF tracking, 11-field, 1-field-high-speed, 1-field, 1-spot
Image sensor:
1:1.63” CCD sensor with 11.3 million total pixels
Effective pixels:
10.1 million
Sensitivity setting:
Auto/80/100/200/400/800/1600/3200
White balance:
Auto, sun, overcast sky, shade, flash lighting, halogen lighting, White Set 1, White Set 2
Exposure:
Automatic program, shutter speed priority, aperture priority, manual;
manual override ±2 EV in 1/3 steps, automatic bracketing (3 exposures with ± 1/3 to 1 EV steps) m
Exposure metering:
Choice of multi-field metering, center-weighted averaging, spot metering
Programs:
P/A/S/M/Custom 1/Custom2/iA/Scene/Video
Scene modes:
Portrait, soft skin, self-portrait, landscape, sport, night portrait, night landscape, food, party, candlelight, baby1, baby 2, sunset, high-sensitivity, starry sky, fireworks, beach, snow, aerial photo, high-speed series, flash series, film grain, pinhole camera
Shutter speed range:
60 – 1/2000 s
Self-timer:
2 s or 10 s countdown
Film modes:
Standard, dynamic, natural, soft, decorative, nostalgic, b/w standard, b/w dynamic, b/w soft, My film 1, My film 2, Multi
Image sizes:
4:3 format (max. 10MP): 3648x 2736 , 3072 x 2304, 2560 x 1920, 2048 x 1536 , 1600 x 1200 , 640 x 480
3:2 format (max. 9.5MP): 3776 x 2520 , 3168 x 2112, 2656 x 1768 , 2112 x 1048, 2048 x 1360
16:9 format (max. 9MP): 3968 x 2232 , 3328 x 1872, 2784 x 1568 , 2208 x 1248 , 1920 x 1080
Video recording:
16:9 format: HD 1280×720 (24 fps), 848×480 (30 fps)
4:3 format: 640×480 (30 fps), 320×240 (30 fps, 10 fps)
Data recording:
Fine / Standard
RAW / RAW + standard / RAW + fine
Series exposures:
2.5 fps
Max. 8 images (standard), 4 images (fine), 3 images (RAW)
High-speed series mode:
Approx. High-speed series mode: Approx. 6 photos (3 MP with 4:3), (2.5 MP with 3:2), (2 MP with 16:9) 6 photos (3 MP with 4:3), (2.5 MP with 3:2), (2 MP with 16:9)
Flash:
Auto / Auto+Anti-red-eye / Long-time Synchro+Anti-red-eye / Flash always /Flash off, 1st /2nd shutter curtain
Monitor:
3“ TFT-LCD (3:2), 460,000 pixel, wide-angle field of view approx.
Monitor playback:
Overview (12/30 images, calendar), zoom, favorites, categories, slide show, picture rotation, alteration of resolution and cropping, deletion protection, photo from video, double image, larger focus field, horizon correction
Storage media:
Built-in memory (50 MB), SD memory card, SDHC memory card and MultiMedia card
Microphone/Loudspeaker:
Built-in
Ports:
DC input/AV output (NTSC/PAL), USB 2.0 high-speed, mains unit
Printer compatibility:
PictBridge
Power supply:
Lithium-ion battery or optional mains unit/charger
Battery capacity:
380 photos (as per CIPA standard)
Dimensions (wxhxd):
108.7 x 59.5 x 27.1 mm
Weight:
228 g
Scope of delivery:
Camera with lens cap (incl. loop) and wriststrap, battery charger, lithium-ion battery, battery case, A/V cable, USB cable, DVD with comprehensive software package
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