aftermarket radio install? kits available?

crutchfield is recommending this
http://www.crutchfield.com/p_068RSM1CG3/Retrosound-Model-One-Chrome.html?tp=5684

but I am thinking this
http://www.crutchfield.com/p_1307300BT/Pioneer-DEH-7300BT.html
under the seat or in the trunk with a remote control and
http://www.smarthome.com/59501/Smarthome-Hidden-IR-Repeater-System/p.aspx