You can fit a B&M but it requires modification even though the websites that sell them don't mention modifying them.
http://thmotorsports.com/bm_ra....aspx
You can get a C's racing which is the most popular and really well made.Claims to reduce throw by 30% ( may take a few weeks to get to you they come straight from japan.)
http://www.nengun.com/cs/short-shifter
You can get an ISIS which is better than stock. Claims to reduce throw by 10%.
http://www.enjukuracing.com/is....html
Personally I would save up and wait for the C's shifter.