You managed to save $1,000 in a month, and you just started getting serious! That's awesome! You know what that tells you? That you can totally do this! Sure, some changes are hard, but some changes are really, really easy. I'm not always so hot with routines myself, but the good news is, a lot about finances can be automated. For instance, having money taken out of your paycheck for your 401k, setting up automatic payments of bills, etc. And, some of the "fixes" you need to institute are one-time things, like calling to get your cable/phone/internet/insurance lowered.
Looking at your list, the power bill looks really high to me. $180/mo for a three-person household, even though the house is empty all day? Maybe this is because of the Houston climate? Mine is $35/mo, but I'm waaaay North of you. Do you close the blinds/curtains when you leave in the morning, have the thermostat on a timer, use energy-efficient bulbs, have appliances on power-strips that you turn off after use, etc.?