Even the new red is painful on my eyes. I navigated away before I finished reading, and when coming back here, it still created an afterimage on my retina.
I recommend a much more muted background, especially for the textual portion of the site. Run red banners down the side if you must, but change the text section to a more readable contrast.
More of a neutral background would be a good start, something like the Kima Ventures site where white-on-red is used as a bold title versus the whole page text.
Don't have the whole page one background color - use it as either side panels as suggested below, or as a focal element like this: http://imgur.com/hwsUhKI
I recommend a much more muted background, especially for the textual portion of the site. Run red banners down the side if you must, but change the text section to a more readable contrast.