When I hear one of these phrases, a part of me cringes. Are people still talking like this? Are they listening to what they're saying? "We offer excellent customer service" - OK, what else do you do. Excellent customer service is standard nowadays. This phrase does NOTHING to set you apart. Plus, "excellent" is such a vague term with little metric value (see post on boastful superlatives).
"We are never too busy for your referrals." - I would hope not - your chances of closing the deal on a referral are much higher than a cold-call. Who in their right mind would be "too busy?" Are you attempting to solicit your current clients to send you referrals with this message? If so, you might want to try mentioning how your service will be different. Maybe something like, "We treat your referrals like family."
"This is a 'turnkey' solution." - Enough of the buzzwords. They are fads. They get old. They do not make you seem smarter. Check out Scott Ginsberg's blog for more annoying buzzwords .