KVM Extender

Dear sir ro madam,

Hi!
I am very pleased to inquire your KVM extender for my S/W application, Medusa called multi User Software. My company is engineering company which has developed multi user S/W which makes 2 ~8 users can use 1 PC simultaneously and independently.
To bundle with our S/W solution, I am urgently looking for affordable and appropriate KVM extender.
Following is my desired feature for KVM extender;
 - KVM extender with Sound ( if not,  1 USB port instead of sound)
   ( PS/2 Key board+PS/2 Mouse+VGA+Stereo SPK+Mic) or ( 1 USB+VGA)
 - Minimum distance : Over 30m from TX to RX device ( prefer over about 50m)
 - Min. VGA Resolution : Over 1204*768 32bit ( Prefer 1280*1024, 32bit)

Business Details;
 - Buy 10samples immediately for evaluation if you have appropriate product.
 - Initial order of 200sets will be placed within this year.
 - I will commit the order of over 1,500sets next year.

Request;
 - Please quote me the sample price and the price for 200sets, 500sets and 1,000sets!
 - Please advise me your best delivery term!
 - Please send me the specification of your KEM extender by e-mail ASAP!

Looking forward to your prompt reply

Sincerely yours,
Keith KIM/CTO