You can expect some bugs flashing the update to a VM intercept. If your willing then go for it. As for 2.2 on the intercept Touchwiz was removed. Contacts(Groups) and the notification toggles are just a couple features lost. Anything Touchwiz related is gone. This is vanilla froyo for anyone wondering.
Samsung Epic EB13 Deodexed with Genocide Kernel
Samsung Moment DL05 Froyo Port Rooted with MRWRX Kernel 2.0.1 Recovery 3.1.1 and UD4.1
Samsung Intercept (Sprintercept) 2.2
For all your rooting needs. http://www.sdx-developers.com/