Layout Options

Layout Width
"Flexible" if you want your layout to expand with the browser's width and re-size as the browser re-size. Please note this is dependent on your design as well. Not all design can be flexible.
Add $15/ page

Header/Footer Stretch
If you want your header or footer or both to expand with the browser's width and re-size as the browser re-size. Please note this is dependent on your design as well. Not all design can be stretched.
Add $5/page   

Font Options

Resizable Fonts
If your layout has the option to re-size the fonts and text.  This will work also on Internet Explorer 6 & 7.
Add $15/page

sIFR Implementation
sIFR stands for "Shaun Inman Flash Replacement". It helps Non-Standard fonts to render as Text without using images and also confirms greater accessibility. If you want to use any fancy fonts on your layout, don't want them to be images and want them to be readable on search engines.
Add $10/page