Can you tell me any cheap computers that can at least support shaders?

It is the graphics card that decides whether your computer supports shaders or not.

I suggest buying a graphics card with at least v2.0 or higher shader support.

Isn't JUST a graphics card to have shaders, you need a powerful energy font, around 2GB RAM and a great space free in your HD. The graphics card can be the World's best one, but if you don't have a great computer to use this, the graphics card is useless.

I think you're over stressing the importance of hard drive space there, really for Toribash CPU and GPU are the major factors, you don't need a very big or fast HDD nor a lot of RAM, Toribash mostly uses the CPU for physics solving and the GPU for rendering, RAM to store textures (which take up very little space) and then a good internet connection to play online. The amount of RAM you need is more dependent on operating system and other applications for the computer, for instance through WINE and linux you could probably be absolutely fine with 1GB or less of RAM, but on windows you'll end up needing at-least 2GB to support the OS, and if you leave your computer on for long periods of time you'll need more. On my computer Toribash takes up less than 100MB's of RAM when running multi-player. In other words, the rest of the computer doesn't matter that much to Toribash, just your OS.

i know a few but there not that cheap lol but theres a fer programs to download for this problem .

here's an example of a cheap computer that would run shaders http://www.newegg.com/Product/Produc...82E16883229250

Economically speaking, buying a graphics card that could support shaders would be much less expensive than buying a computer that could support shaders.

The ever linkable shaders FAQ thread should be able to help you inspect your options:
http://forum.toribash.com/showthread.php?t=214180

Yay my thread was linked, also I'd recommend basing your computer choices on something else, but if you must pick toribash to base it on, the ATI 4650 or Nvidia Geforce 9800 would both manage shaders. If you want to run RTRT I'd recommend getting an nvidia 2xx series or up (really you want 4xx or up as 2xx only support shader model 4.0, not 4.1) or ATI 4000 up (just pick something better than the 4650)

Stats that might help:
Shaders use shader model 2.0
RTRT use shader model 4.0/4.1 I forget which.
Toribash needs around 128MBs of VRAM, 256MB would be preferable if you want to have reflections and so forth, and half a gig would be overkill.
ATI/Intel GPU's have a memory problem that means they need twice the VRAM of Nvidia cards to run Toribash, however this can be fixed with the /chatcache 1 command, so they can be used with Toribash realistically.
Toribash uses heavy physics solvers that kill CPU's, your likely to end up with a CPU bottle neck if you have less than a duel core processor, two cores will run Toribash just fine, four cores will run it smooth 60fps all the way.

So what you mean is if you have 4xx,it will support better shaders?Quad cores gives higher FPS for Toribash.But,what should i choose?ATI 4650 or Nvidia Geforce 9800,which one is better?

nvidia 9800 has better performance than an ati 4650