Why does my bluetooth reception on my iPhone 3G suck so bad???? I have two headsets, a Motorola H500 and a brand new Aliph Jawbone and my reception goes to crap when I'm only about 2 feet from my phone!!!! what gives?

My old Motorola SLVR would allow me to walk up to 20 feet and still get reception with the same headset I have...

AND - why is it that reception gets all static when I even touch my darn iPhone!!!