Still not clear on what your price range is. My suggestion is here.
A no frills CD/CD-R/CD-RW/MP3 HU brand new in the box shipped to you for $179. Not bad. My sister just got one from here. The local stores here sell them for $239.
'01 Escape XLT V6 on S100
CDT Audio/Ascendant Audio/Rockford/JBL/Knukonceptz setup
'00 SE Sport ATX