I recommend a vist to the Blind Bargains blog. It is an excellent supplement to our own emphasis on Low Cost Assistive Technology. It not only gives you info on sales bargains. It gives advice on what works well regarding Accessibility, and what does not. Here is their opening paragraph.
Blind Bargains: Deals & News for the Blind & Visually Impaired
Welcome to Blind Bargains, your home for the latest deals, and news for the blind and visually impaired.
Blind Bargains scours the net to find sales, deals, and news on computers, screen readers, notetakers, braille printers, hard drives, accessible cell phones, memory cards, talking products, and much more.