Some Digital SLRs come with lenses and some you must buy separately. You can get DSLRs that have over 20 MP resolution but most have around 10 - 12 MP. They have many advantages over point and shoot cameras like shorter delays between taking pictures.
"Large LCD
Good build quality
Easy to adjust settings...Mediocre image quality
Slow speeds
No flash-off option on the mode dial...Overall, the E-520’s image quality was mediocre...In continuous shooting mode only a few of our shots with the E-520 looked crisp, showing razor-sharp subjects against a blurred background...Although the Olympus Evolt E-520 made a good first impression with its solid, ergonomic build and intuitive interface, it quickly lost..." read more »
Retrevo's Recommendation: Strong Buy if you want high-end
"Superb image quality
Good tonal response and dynamic range (at ISO 200 and above)
Good high ISO performance
Built-in Image Stabilization
Generally...Contrast detect AF pretty slow in live view (which is often the case on DSLRs)
Moderate LCD screen...Now it has introduced the E-620, a model that will 'sell alongside' the E-420 and E-520 (in the sense that we suspect it will eventually replace the E-520) as the company's attempt at a..." read more »
Retrevo's Recommendation: Strong Buy if you want high-end
"Very impressive autofocus in daylight...Complicated customizable menus
Unimpressive performance at high ISOs...The E-30 is sold as a kit ($1350 as of 7/7/09, including a 14mm-to-54mm lens) and as the body only ($950 as of 7/7/09...The E-30 features a handy swiveling LCD so that you can capture shots from odd angles, or even simply rotate it and snap it inward to protect it while you're out and about...The E-30 shares the Gradation..." read more »
Retrevo's Recommendation: Strong Buy if you want high-end
"Excellent photo quality in most situations (see issues below)
Optical image stabilization for every lens you attach
...Camera tends to underexpose
Low light / high ISO performance
...The E-3 doesn't pretend to be a consumer camera: you won't find any scene modes here...The Program mode is the closest thing to a full automatic mode on the E-3, with the camera selecting the aperture and..." read more »
Retrevo's Recommendation: Average Buy if you want high end
"Excellent photo quality if you tweak the settings
Minimal noise until ISO 1600 (unless you turn off the noise filter)
...Soft photos at default settings (adjust the noise filter to fix that); colors a bit muted as well
...See, I told you that the E-410 was the smallest and lightest D-SLR out there...Here's the front of the E-410 with the lens removed...As you can probably tell from the photo above, the E-410 has a more traditional..." read more »
Retrevo's Recommendation: Average Buy if you want high end
"Excellent photo quality if you tweak the settings; minimal noise until ISO 1600 (with noise filter set to low)
Optical image...Soft photos at default settings (adjust the noise filter to fix that); occasional underexposure and dull...While the E-410 was the smallest digital SLR on the market, the E-510 more in the middle...Here's the front of the E-510 with the lens removed...As you can probably tell from the photo above, the E-510..." read more »
Retrevo's Recommendation: Average Buy if you want high end
"Very good photo quality
Good value -- starts at $500, body only
World's smallest D-SLR; excellent...Photos are slightly soft; noise reduction a bit heavy at ISO 1600 (shoot RAW to avoid)
...As I mentioned earlier, there's no battery grip or AC adapter for the E-420 (or the E-520 for that matter...Olympus includes version 2 of their Olympus Master software with the E-420...In terms of build..." read more »
Retrevo's Recommendation: Strong Buy if you want high-end
"Excellent photo quality (though see issue below)
Great value
Well designed, attractive body (unlike...Images a bit noisier than competition at high ISOs; some jaggies
Startup...This review has been completed using a production-level EVOLT E-500...Like the E-1 and E-300, the E-500 uses the FourThirds system, and it supports all of the Zuiko digital specific lenses that Olympus..." read more »
Retrevo's Recommendation: Average Buy if you want high end