need help designing sub woofer cabinets


hi all...i am a musician and a carpenter by trade...and i have the computer skills of a 4 year old...but heres my situation if anyone can help.
i want to crossover from my system to a 800 watt amp to run 2 sub cabinets. we probably will only peak at mabey 600 watts. i have 2 15" black widow speaks for drivers, 1 for each cabinet. can any one e mail me or mabey fax me a basic layout for functional cabinets?
dimentions with port size and placement...
thanks for looking,
scott


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