You can do imaging quite successfully with a wedge and a fork mounted scope, but as you have rightly pointed out the cost of the wedge would almost by you a decent EQmount for photography(though without goto).
I originally started out with and LX200GPS and found the small 8" wedge a right pain to adjust for accurate alignment. I decided to move up to an eq mount (Losmandy GM8) and haven't looked back since. I do miss the LX200 but I don't do much visual stuff now anyway. Since the GM8 I have bought a G11 (still have the 8) and an EQ4 for travel/widefield imaging. Wouldn't be without them.
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