The higher-priced models include features like timer controls and the electronic climate control.
On the other hand, the industry reserves its most advanced features for the higher-priced, higher-frequency models.
Sony said that it also planned to sell a higher-priced model with a larger hard drive for $599.
She added that people with higher-priced models, like $2,000 custom racing bikes, tend not to leave them unprotected.
Unlike the higher-priced models, however, the eXplorist 100 does not come loaded with background maps.
A handful of manufacturers, however, do offer higher-priced models with integral locks for a sleeker profile.
As one might expect, the low-cost lasers do not have all of the features of the higher-priced models.
Ms. Clough said she felt she got a good deal by taking home a 2000 vehicle, instead of a higher-priced 2001 model.
Tatra expects to sell 500 to 570 streetcars annually this year and next, although some will be long, higher-priced models.
They walked by the higher-priced models of the female section.