The google bot comes back HTTP/1.1 200 OK on both www and non www but with no agent it looks like its pulling the same information?
Code:
HTTP Request Header

Connect to 69.175.44.10 on port 80 ... ok

GET / HTTP/1.1[CRLF]
Host: www.livvylou.co.uk[CRLF]
Connection: close[CRLF]
Accept-Encoding: gzip[CRLF]
Accept-Charset: ISO-8859-1,UTF-8;q=0.7,*;q=0.7[CRLF]
Cache-Control: no-cache[CRLF]
Accept-Language: de,en;q=0.7,en-us;q=0.3[CRLF]
Referer: http://web-sniffer.net/[CRLF]
[CRLF]

HTTP Response Header
Name	Value	Delim
Status: HTTP/1.1 302 Moved Temporarily
Date:	Thu, 06 Jan 2011 19:06:15 GMT	
Server:	Apache	
X-Powered-By:	PHP/5.2.13	
Expires:	Thu, 19 Nov 1981 08:52:00 GMT	
Cache-Control:	no-store, no-cache, must-revalidate, post-check=0, pre-check=0	
Pragma:	no-cache	
Set-Cookie:	zenid=...; path=/; domain=www.livvylou.co.uk	
Location:	http://www.livvylou.co.uk/?zenid=...	
Content-Length:	0	
Connection:	close	
Content-Type:	text/html