Home Depot sells Jeld Wen:
http://www.nextag.com/JELD__-__WEN-JELD-WEN-All--zzdoor+sidelightszJELD-WENz1220219zB2qz5---html
I know nothing about doors and pricing but it sure is looking like $5000 is way above reasonable.
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I don't know if these links will work, but you can search for "Jeld Wen" on Home Depot and see a bunch of doors, all less than $2000.
http://www.nextag.com/JELD__-__WEN-JELD-WEN-All--zzdoor+sidelightszJELD-WENz1220219zB2qz5---html
http://www.homedepot.com/Doors-Windows-Entry-Doors-Front-Doors/h_d1/N-5yc1vZ25ecodZ25ecodZbuhy/Ntk-All/Ntt-jeld%2Bwen/h_d2/Navigation?Ntx=mode%20matchall&catalogId=10053Ν=P_PARENT_ID&langId=-1&storeId=10051&primarySearchOnly=true&omni=c_Front%20Doors&searchNav=true#/?c=1&2he=2he&1z141fd=1z141fd
Here's the original Google search:
http://www.google.com/search?q=Jeld+Wen+door+with+sidelights