SalesForce1 only currently supports deep linking to Chatter currently. It appears that the other objects are being evaluated.
I understand how difficult this might be, considering the security concerns. But I think that at least adding in support for at least the major touchpoints for CRM (Accounts/Contacts//Leads and possibly Opportunities) would be a great win.
SalesForce does CRM very well, and this would help us get a foot in the door to let us integrate in with other existing apps people already have fairly easily.
You already have an order taking app? Leverage SalesForce in your planning/follow ups to better understand your customer, what you should be selling and how well you're doing without the need for major surgery. It helps reps and management to see the value of SalesForce without significant developer investment and great growth potential for branded, UX, etc.