• Canon makes a very fine 35/1.4L USM
• 35/2
• Sigma 30mm f/1.4 EX DC HSM AutoFocus Standard Lens
• Consider Sigma’s 50/1.4 HSM – good bokeh

http://photo.net/equipment/building-a-digital-slr-system/

http://www.photography101.org/basics/how_to_choose_a_lens.html