Two year olds who show interest in letters and their sounds may be reading at age two, or it may be another few years before they are actually fluent readers. It varies wildly, but I think you can feed her interest without feeling guilty of pushing. Go ahead and get her alphabet puzzles, magnetic letters, foam bathtub letters, etc. Spend maybe 10-15 minutes with her doing "schoolwork" and always be sure to quit at the first sign of tiredness or disinterest.
My girls also were more into workbooks than their brothers at that age. I just read of a Virginia Tech study that said boys brains develop the fine motor areas about SIX YEARS later than girls! I am nit sure how accurate that is, as it seems extreme, but perhaps there is something to it. For this age, I like the Singapore earlybird books, the old Learning Tree Gifted and Talented books, which are sold online very cheaply if you can find them, and even some of the cheapo workbooks from the dollar store.
have fun!
