I have a Pool Buster and I love it. With no hoses to get in the way, it's very easy to use.
I have the regular "Pool Buster Max," not the CG (commercial grade). If your pool is a good bit larger than mine, I'd suggest you try the CG.
I recommend purchasing the finer-filtering "sand and silt" bag in addition to the all-purpose bag included with the vac. I have not tried the microfilter bags.
Please note that the battery won't reach its full capacity for SEVERAL charges. At first it may only run for 20-30 minutes before needing a recharge. Over time it will run the full hour or more. It recharges quickly, too.