Sliding Door glides

I have a his and her closet in my master bedroom that I hope to modernize with a set of dual sliding doors. I'm not really aiming at a loft style look, more of a sleek wall design.
The closets are about 5' wide, but divided by a 5' space that houses the uptake of my fireplace from below (hmmm, would't that be nice if I could have an auxillary fireplace in the bedroom off that same chimney--anyway....)
My goal is to get a more uniformed look between the two, rather than the fractured look that currently exists. Although the gap seems to add an awkward design hurdle, it'll become a design element.
Does anyone know of an inexpensive rail/track/guide mechanism that would be capable of supporting a 4 x 8 sheet of 1/4-1/2 veneered plywood, or veneered MDF?
Home depot has a system, but it would barely support a hollow core door, IMO.

Thanks

Try
[url href=http://www.johnsonhardware.com]Johnson Hardware[/url]

-Mike

I was looking for something that offered a bypassing door option that was not header mounted.
There is another thread ongoing in the materials and methods section...but some of those are too heavy duty.

this may not be within the budget you have in mind but it is sleek. if the dimentions fit with yours, you wouldn't need to top mount or bottom mount anything. check the ikea pax wardrobe with sliding doors (woods or glass/aluminum).

I'm looking for something to span an 11 foot wall of his and her closet space. The two closets are divided by a dead air space, which is technically my chimney routed internally through an extension on the upper level.

Try
www.hafele.com for architectural and furniture hardware.