I will be building the Studio twopi towers for the fronts, and Studio onepi's for the rears (the Studio 2s are a bit too bulky for the walls) Provided however that I can get the Alpha 8s for cheaper than the Alpha 10s. For the centrefront speaker, I would like any suggestion on whether I should use the 1pi or the 2 pi. I am currently favouring the one pi because of the size and because I do not need a lot of low end for the centre and rears. If anyone has built a small HT System like this, please tell me about your experience.

To Round off the Hometheatre System, I of course need a subwoofer. I Currently have two options 1. To buy and active sub with nothing bigger than a 10 or 12 inch woofer or 2. To use one of the Eminence Delta 15s that I have for this purpose. I would then need advice on the following.
1. What suggestions do you guys have for building a smaller sized subwoofer.
2. If I use the Delta 15 I would like to build as small as possible with a decent low bass. Although I like Bill Martinelli's sub, I don't have the space for it. Recently someone also suggested (I can't find the posting) using the Theatre 4pi without the high Frequency devices, but is this the smallest box? And do I need a low pass filter of any kind?
Your comments will be helpfull

My budget will not allow me to buy a Hometheatre amp right away, So I will be using my existing amplifiers to run the system. The Front and Rear I can run from my Denon RCD 100
http://www.denon.de/seitenhifi/seitenrecei/rcd100frame.html

And the sub and centre cannel with My Hybrid A 800B amp, using a channel for each one.
http://www.tramps.co.za/hybrid.htm
And If I should throw a party, I'll hook up the towers to either the Hybrid or a Samson S700 Amp (which I normally use for my DJing).
http://www.svsubwoofers.com/ampeq.htm
That should keep me happy until I get a very decent Hometheatre amp.

I await your comment/advice.

BTW have a good week end all.