I'd encourage the chesire over the laser...no need for power and no moving parts...it is dead simple and very solid...I have the Orion Chesire and it looks and feels nearly indestructable.
I've not had much experience with Barlows...
I have a 2.5X Powermate...it is a glorious piece of work...but, I can not say that it is truly better or worse than other Barlows available as I have not compared it side by side with anything else...it does however work a treat!
There were some good threads on CN (Cloudy Nights) discussing the pros and cons of "shorty vs regular" Barlows...
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