Increasing speed is not usually recommended when machining titanium.  Increasing feeds can be used when using the latest generation of tool inserts, copius amounts of coolant, and proper machine set-up (fixtures, geometry, etc.).  Ceramic inserts with very sharp edges are replacing micrograin carbides and coated carbide inserts for roughing and finishing of titanium alloys.  You can find a lot of information on machining of titanium from the following websites:

Machining sites

http://www.mmsonline.com/articles/070204.html

http://www.ctemag.com/pdf/0212-confgame.pdf

http://www.ctemag.com/article/viewArticle.asp?ARTICLE_ID=156

http://www.ctemag.com/article/viewArticle.asp?ARTICLE_ID=94


Titanium producer & distributor sites

http://www.timet.com/design&fabframe.html

http://www.deutschetitan.de/eng/profi/kb3.html

http://www.titanium.com/tech_manual/tech2.cfm

http://www.leichtmetalltechnik.at/html/machining_titanium_and_titaniu.html

Use PVD coated micro grain inserts,with sharp edges,try to avoid 95 degree lead angles.
I'm an expert on super alloy machining.
Look into turning (finishing) with PCD diamand tipped inserts,if you feel like it talk to Seco Tools.