It just depends on the quality, there is allot of low quality offers coming out so when people so a quality service they think it's high.
It just depends how important your sites performance is to you.
Also VPS is getting popular, we just added it about 2 years ago and sell a large amount.
But for a serious business they go with the platinum or better. We have customers that pay thousands and get what they pay for.
http://www.dwhs.com/dedicated-plans.htm