Generally speaking, paying off a baddie via a PFD will likely increase your FICO scores. Generally speaking, paying any CC CO without getting a PFD can result in an increase as well. In your case, both are true. If these 3 are the only three TLs you have (other than the CAs...I read through your other posts), then if you get a PFD for some of these, then your scores will increase a good deal. Even paying them off without a PFD would increase your scores, IMO, 50+ points (just a good guess).
Here's what you want to do to these three (assuming you have no other TLs, other than CAs, reporting:
1) PIF the $444 account ASAP!!! This is still current and not CO'd. If you pay it, and get it current, especially if it was opened in March, then you would save an account from a CO, you'd prevent a CA, and if still open, it'll continue to report for a long time.
2) For the $0 balance, if this was CO'd and was NOT paid, then you'll have to deal with the CA. If the CA is reporting, then send a DV letter. If they verify and you agree, then send a PFD to the CA. If the CA is not reporting, then contact First Bank of DE and ask them who owns the account. If they say they do, then PIF ASAP to avoid any CA from taking over.
If the $0 balance account is $0 because it was paid, then send the OC a GW letter asking them to remove any lates and/or CO or "settled" references.
3) For First Premier, you can try sending them a PFD. They are not know to accept PFDs. If ignored, then I would just PIF and then send the GWs at a later date.
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If the $444 balance is actually a closed TL and you have no open TLs, then my answer will be different.
I'm moving this to Rebuilding Your Credit for others...
First Bank Of Delaware / 
First Bank Of Delaware/T 
