echwa - 9:50 pm on Aug 16, 2009 (gmt 0)

You could always config your webserver to process # symbol as a ? and this way crawlers will treat your variations:

.com/widget-something/#category=something1&page=&text=0
.com/widget-something/#category=something2&page=&text=0

as the single entity of:

.com/widget-something/