I cant speak to the 24/7 as i don't have one, but my PT1911 work great in uspsa, never had a issue out of it past its initial bad barrel that i sent it in for repair, once i got it back it has been flawless. So from a quality standpoint i would say you are good. Most important thing is, how well you shoot it, if you are comfortable with the 24/7 and can shoot it well, that is what you want to use. And don't let anyone say your taurus isnt a good gun, if they do, practice, and get good with it, then go show them what it can do.
Looks like you have a really good setup, think it will serve you well, im with mingaa on the holster, but its a personal preference, if it works for you, go with it.
One bit of advice, dont get wrapped up in how fast you are going, focus on accuracy and technique, get those down and speed will come. But all the speed in the world wont matter if you cant hit the target, or are getting penalties for not handling the gun correctly, and or running the course correctly. Another bit of advice, volunteer to help out if it is a range you frequent at least, doing this will get you in good with the regulars, they will provide many useful bits of information, and maybe resources for ammo, reloading supplies, the guys at my range will even loan equipment.
For instance at my range, after i helped out with setting up and taking down the targets for about 2 months (long enough that they knew i wasn't going to disappear) they gave me a key to the targets so i can go and practice when i want to, and offered to make me a RO, RO's at my range who do one match a month can get into any club matches for free, very useful as we have a LOT of clubs and the entrance fees are normally $5-10