An app-specific browser like MozillaPrizm/Fluid/etc might be your best bet, just create specific apps for each user/session.
btw, I generally use 2 google profiles (google-apps vs. google) and they coexist in one browser for me.
The concept of fluid multi-identity in any device or OS has long been difficult to manage, and I don't think it's done well on any UI-based system.
An app-specific browser like MozillaPrizm/Fluid/etc might be your best bet, just create specific apps for each user/session.
btw, I generally use 2 google profiles (google-apps vs. google) and they coexist in one browser for me.
The concept of fluid multi-identity in any device or OS has long been difficult to manage, and I don't think it's done well on any UI-based system.