Over 50% of all Sales and Marketing respondents said PR impacts Lead Quality.
About 50% of all respondents said PR impacts the length of the Sales Cycle.
About 25% of all respondents said PR can increase the size of a first-time order.
Most tellingly, 49% said that Lead Generation was the best measure of PR success.
Yet just 30% of all respondents felt that Lead Generation is a function of PR! And fully 36% of respondents "sometimes" to "never" use PR in the Sales process!
Source: http://www.pr-squared.com/2005/09/pr_as_profit_center_truth_or_f.html