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I like a single bowl, but as Francoise already said, there is no "correct" choice - it's what YOU like and want. This topic has been discussed a lot on this forum, so you should do a search for other threads here. However, I would not do a double-bowl sink if you do not have at least a 33" width, preferably 36". Also, if you will have a prep sink elsewhere in your kitchen, you may not need the main sink to be a double-bowl. Stainless steel sinks is one of the those items where some manufacturers are laughing all the way to the bank. You are paying a big upcharge for the Blanco name badge. Don't let people tell you that somehow the Blanco stainless steel is a superior quality to e.g. Kraus' stainless. Most of the Kraus and Ticor stainless sinks are 16 gauge; the Blanco sinks are mostly 18 gauge (i.e. thinner gauge than 16) with some Blanco sinks at 16 gauge. The Kraus and Ticor sinks are made in China. The Blanco sinks are made in various countries like Germany, Switzerland, Turkey and also China. It depends on the sink model. If the name badge is important to you (and there is nothing wrong with that), then you will pay more for the Blanco's and Frankes. If you don't care about the name, then shop for a sink with the dimensions, shape and price you like, and don't worry about the brand name.

I have a single basin apron front sink and love it:) However, I would have preferred a low divide if I had been able to get the smaller side on the left due to the placement of my dishwasher on the right (opposite of Joe's pic above), but my sink did not come with the option to pick which side would be smaller in the uneven divide sink. If you get the low divide and also get the grills, the smaller side can work as an occasionally needed dish drainer.

You won't know until the new sink is installed, but I'll bet the disposal will connect to the right side with a simple trap extension and the left will be cut and capped with .89 worth of PVC. No way would I hack that out before verifying.