My favourite response to the "I Want One, And I Want It Now" crowd...

"This site contains a wealth of information meant to address the very questions you are asking.

Many like minded people have begun just as you are and rec'd ideas and aswers by reading about the experiences of the modellers and experimenters before you.

Since alot of the enjoyment (for most of us) comes from the trial and error of a custom configuration, it would perhaps be best if you read some of the many threads and articles here at DIY Drones."
..Ric
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Safety Quote:
Please keep in mind any laws, regulations and guidelines that regulate RC flight in your areas. Many jurisdictions do not allow flying above certain altitudes, beyond set range and most require line of sight and ground operator controllability at all times.

"Safe: We follow the current interpretation of the FAA guidelines on small UAVs. Recreational use (non-commerical), under 400 ft altitude, line of sight, "pilot in the loop" and onboard safety systems that always allow for manual control in the case of malfunction. We're building experimental platforms that demonstrate autonomy and the capacity to do real useful UAV work, but we test them in controlled settings. If you want to fly miles out of sight or map cities, we're going to assume you've got the proper FAA clearance or we don't want to know about it."