I took photography classes in college, was very used to an SLR, joined the digital era and NEVER liked the problems with the regular digital cameras, and I had good ones! The digital delay drove me NUTS, and the fact that the camera would NOT let me do what I wanted. I was ready to go back to my old SLR; seriously! Not this past Christmas, but the one before, my husband surprised me with the Canon EOS Rebel xti digital SLR - I was back in love with photography again! The difference is amazing!
Mine was a package deal. You can have a great deal of fun, and take amazing pictures, with the lenses in the package. Upgrading will come, but don't rush it; you're a good photographer and can use those lenses very well.
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