Poll: How many use 3k vs 4500??

[ta2maki]

I would be using this to fill a scuba tank, so 3000 would be fine. I already own a gas booster to get 4500 from that.

[fishmishin]

I would much rather have the 45k, i'm not sure I would want to spend $300 on only being able to fill to 3k, and still need to use my shop compressor.