Tips
There was another thread about this just recently...
http://boards.cityofheroes.com/showthread.php?t=247851
The only workaround I can think of would be to team with a hero running their hero tip missions.
total kick to the gut

This is like having Ra's Al Ghul show up at your birthday party.
This. People announcing hero tip mission teams with room for more is fairly common on most global channels. If none have been announced recently asking in global channels is usually effective.
Dr. Todt's theme.
i make stuff...
I've spent two days, roughly 8 hours total, grinding bad guys in IP and Talos trying to get tips to convert my Stalker to a Hero, but I haven't had even ONE. Is there something I'm not doing? Is there something I'm missing?