Hi Still,
A 10440 is a "AAA" size 3.7 volt rechargable LITHIUM ION battery. The mAH is only a rating of lifespan between charges and not to be confused with mA's which is a rating of power output. So you can use whatever 10440 you like, be it 360 mAH or 500 mAh.
As for "801 penstyle" atomizers, there are several besides what you have stated to add to your list. While the Joye 302 is made by Shenzen Joye Technology, the DSE801 is made by Sailebao. There is also the RN4072 made by First Union which has a lower bridge and the BE112 made by BEST which is a higher bridge style, but not too high.
Everyone has there favorite based on several factors which include, draw, shape of bridge, wicking, and other factors.
Hope that helps.
Sun