ALT-F13

First of all, I've used a search extensively and read quite a lot regarding LSx swaps into V6 F-bodies, so I imagine the procedure more or less...

But as most guides focuses on V6->LS1 swaps or LS1->Gen4 swaps, there are a few issues that I'm not completely sure about. And it's not that easy to find parts in Europe (so each "ouch, I've missed to order a part" will equal 2 weeks of wait)
That's why I want to plan the swap thoroughly, and I hope that LS1tech members will kindly enlighten me a bit =))

So, right now I have:
- 2001 Firebird Convertible with 3800/A4
- LS7 longblock from friend's Z06
- 4L60-E from '98 WS6 (=correct LSx bellhousing)
- K-member from the same '98 WS6

I assume that I will need the following, please correct me if I'm wrong:
- custom harness for LS7+4L60-E (i.e. http://www.texas-speed.com/p-4218-ps...ss-w4l60e.aspx)
- LS3 ECM with custom tune
- stock LS7 dry sump oil pan (will it fit F-body?)
- stock LS1 accessories from 98-02 F-body (alt, PS pump, AC, etc)
- 255 lph fuel pump
- LS7 ignition (coils, plugs, wires)
- headers

Is everything correct?
What else am I missing?
Is there any possible cheaper solutions? I.e. is it possible to more or less easily modify stock LS7 Z06 harness to work with 4L60-E?
Will LS7 TB work with stock V6 firebird drive-by-wire pedal?

Please pardon for a lot of noob questions and thanks everyone for the answers...