but wanted to start out with a KIT or something. Wanted to know if there was a good KIT that comes with everything I need
To really use pressurized C02, you need the following hardware:
1. A C02 tank. Buying used at welding supply is much cheaper than new on the Web. I purchased a used 10lb (filled) for $60. I paid > $100 for a new 5 lb on the web.....5lb was prettier, but worked no better than the ugly one.
2. Regulator, solenoid, and needle valve. This is vital and a cheap one will cost you in the long run. This is used to regulate the pressure/flow of c02 from the cylinder. A quality set from Rex Grigg or Sumo is a good deal and quality.
This component will cost the most, but is really the heart of your system. Don't go cheap here!!!!!
Quality should cost you < $200 for a top notch reg/solenoid set and the best needle valve. I have the Sumo set.
3. A method to diffuse the C02. This can be a reactor (bought or DIY), a ceramic disk, a needle wheel pump, or a Mazzei. Many choices here costing $10-50 tops.
There is no advantage to buying a 'kit' since each component is separate but can be combined easily as they are all standard sizes for the most part.
It is better to buy the best individual component you can for the money range as it will provide more scalability in the future.
C02 is definitely an investment and is worth it, but comes with it's own set of issues and concerns.
I would not buy one of these kits, as purchasing quality components will cost maybe a little more initially, but will provide more satisfaction over time.
At least this has been my experience, and I wasted some amount of $ (and time) using inferior stuff.
While it may seem 'easier' to buy a bundled kit, these will not be any easier to use than the more expensive versions. There is no 'beginner' set that would be more helpful than buying your end product.
Hope this helps.