If you want a rugged stubby antenna, a good choice would be http://www.cravenspeed.com/products/The-Stubby-Antenna.html
An alternative to the OEM bumper protector is the Scion bumper protector (discussed here) which happens to almost perfectly fit the Edge. Price does fluctuate on Amazon, occasionally you can grab it for around $55 + S/H. You can also get it here for about $57 shipped http://www.trdsparks.com/displayparts.php?Mdl_dtl=631&Part_cat=26&parts_id=3251
EGR USA, a sponsor of this forum does have a hood deflector/window visor product, you will have to read up on these yourself Weathertech visors seem to work well, as do Weathertech floor mats.