A lot of clients can be put off by advertising on television, and it's a reasonable expectation of client to be naturally averse to television advertising. Especially small businesses with limited advertising budgets.
However, if your business happens to be located in more than one geographical location, television is a great investment because of it's regional reach. In most cases, having a series of television commercials can be more cost effective than running on two or more separate radio stations.
It's like everything though, your investment will only return what you put into it. And we have some amazing people that can really deliver content that leaves a lasting impression, no matter what the medium you choose!