So i posted about 6 months ago asking for some advise on systems. Since then, I've done a pile more research, and have started making moves to finish my system.

A brief refresher on my setup:

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20x40x9 (19x39 internal dimensions). 135" screen, you're looking at about 1/2 the room.

NAD T754 AVR with NAD C272 2ch handling amplification for the L/R speakers.

I just ordered a pair of FV15HPs. I will locate these about 1/2 way up the side walls.

The rest of the system will consist of a pair of Sierra NrT Towers, NrT Horizon, and a pair of Sierra 1s.

Questions:

1) Is it worth it to upgrade the surrounds to NrT tweeters or are the stock ones adequate? I don't listen to much 5ch music, so my primary concern would be HT use, although if it sounds as amazing as I think it will, I may start listening in surround more...

2) What's the lead time on this kind of system? (I guess this is probably a question for Dave). I saw that tower cabinets are out to July? This would be in cherry finish on all pieces, if it matters... Should I get my order in now to hold my place?

Thanks in advance!