What is a good travel company for a coach tour of western USA?

I want to go on a coach tour of west usa for a couple of weeks at least. Has anyone any good experiences and a tour company they would recommend?

Trek America!!!

Cosmos tourama do a few good tours including western treasures (san fran, los angeles, the grand canyon, las vegas, yosemite national park) this is a 16 day tour and starts from £1255pp. Western wonders (los angeles, palm springs, grand canyon, las vegas, san fran) this is 14 days £1215pp and the golden west adventure 16 days from £1245. Go to your local travel agents or ring 0871 423 8647 from the uk or visit www.cosmostourama.co.uk. We have really good feedback from all our customer about this company. Have a great time x

Travelsphere are competitive on price but if you want the best then go for Titan, they pick you up and drop you off at home and they use better hotels than some of their rivals. All entrance fees are included (eg Disneyland) and porterage of your bags.