I use Pennington tall fescue. It's a good all around grass that tolerates many adversities. If you are going to plant a seeded lawn, you must do it as early in the spring as possible. If you try later when the weather starts to warm, you will get a yard full of weeds, and very little grass. Heck, I've been known to run the spreader right before a late snowfall. You get a combination of poor mans fertilizer, and the wet snow helps to keep the seed in contact with the ground while it is germinating.
If you miss the springtime cutoff, then wait till the end of the summer to spread your seeds. This actually is the optimum time, but most people are impatient, and want to see it grow right before their very eyes. Here is a read out of Pennington tall fescue.
Planting Specifications
Daily Light Required: Full sun to med shade (4-8 hours sun)
Sun Tolerance: Very good
Shade Tolerance: Good
Grass Color: Dark green
Grass Texture: Moderately fine
Drought Tolerance: Very good
Disease Resistance: Excellent
Traffic Tolerance: Good
Planting Zones: West 2; upper 5,9; 6,7,8
Recommended Planting Dates: Early Spring & Early Fall
Planting Rates: New Lawns: 8 lbs/1,000 sq ft Overseeding: 4 lbs/1,000 sq ft
Planting Depth: No more than ¼”
Germination: 7-21 days
Mowing Height: 3"-4"
I notice the poster above (Mockingbird) said they planted Perennial Ryegrass. It's a cool weather grass, so keep that in mind if you live in one of those warmer climates.
Hope this helps answer some questions on planting grass. Oh yeah, a light watering twice (or more) a day for at least a month to a month and a half.