I normally use the-cloak.com which is has a Texas based IP address to hide my UK based IP address. In doing so it gives me access to the proper google.com.
In fact you back links appear to have been dropping consistantly over the last half a year. Yes it is hard to know what to believe. I used the following website to gleen info about your website http://www.markosweb.com/www/ustillup.com/. However I am sure different websites will give different stats.