Waiting for my PB in repair

I'm sorry, but I felt like I needed some place to rant. I sent my PowerBook in to my local Apple Store on the 24th to replace the LCD (for white spots and stiff hinge), top case (for loose trackpad), and logic board (for electrical noise and stuttering graphics). I was given an estimated completion day of the 28th, but they are still waiting on one more part to arrive (they didn't mention which exactly), because it's on backorder and they have no idea when it'll be available. Has anyone experienced (or is experiencing) a similar problem, and does anyone think I might be able to get a new PowerBook? Hopefully the missing part is the logic board and with the new model out, perhaps they don't have any of the old ones anymore, and they'll have to either put in a new 1.5GHz logic board, replace my PowerBook, or refund my money.