Try Dinnis Kirk. Just got an E3 a few weeks ago from them. Was a few dollars cheaper than Ronayers who I used to deal with. Free shipping.
http://www.denniskirk.com/jsp/product_catalog/cat_default.jsp;jsessionid=YYTFSOIGKVPLBLA0WTKSM4VMDK0NCIV0?store=Main&catId=2&SR=&_requestid=470471
Edit: $106.99 it looks like for yours (narrow white sidewall).
I ordered mine on a Saturday evening, was at my doorstep by Wednesday.
.
http://www.denniskirk.com/jsp/product_catalog/cat_default.jsp;jsessionid=YYTFSOIGKVPLBLA0WTKSM4VMDK0NCIV0?store=Main&catId=2&SR=&_requestid=470471
Edit: $106.99 it looks like for yours (narrow white sidewall).
I ordered mine on a Saturday evening, was at my doorstep by Wednesday.
.