[GSoC] (Is it OK to choose items without % mark in theToDoList) && (is it an acceptable idea to build index on Flash Disk)

[mx <mx(dot)cogito(at)gmail(dot)com>]

Hello,Everyone!
I'm a student in China. and I'm preparing for GSocC2008 in these days. 
There are two questions about GSoC.

1. There's a paragraph about the Example Proposal Ideas in PostgreSQL Summer Projects website.

> TODO Items: A number of the items on our TODO list
> have been marked as good projects for beginners who are new to the
> PostgreSQL code. Items on this list have the advantage of already
> having general community agreement that the feature is desireable.
> These items should also have some general discussion available in the
> mailing list archives to help get you started. You can find these items
> on the TODO list, they will be marked with a percent sign (%).

I didn't get attention to this paragraph before, so I choose some items without % in the List.
Is it OK? By the way, I'm writing proposal for multi-column hash now.

2. I'm currently in my fourth year of  studies. And I'm in a lab  doing database research. 
My thesis work is about B-Tree index in NAND Flash Disk. I want to do it based on PostgreSQL..
I know embedded server is the feature that postgreSQL don't want. But flash Disk is developing very fast. It's a trend that Flash Disk will replace magnetic disk one day just like what Jim Gray said "Tape is dead, disk is tape, flash is disk",  though  nowadays flash  device is only widely used in embedded devices. 
So, how about a project idea on NAND Flash disk  without limited-resource environments?
Is it an acceptable idea?

Anyway, hope to hear from you, Thanks!

-- 
Best Regards,
Meng Xiao

━━━━━━━━━━━━━━━━━━━━━━━━━
Data and Knowledge Engineering Research Center,CS&T
Harbin Institute of Technology, Harbin, China
Gtalk: mx(dot)cogito(at)gmail(dot)com
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Blog: http://xiaomeng.yo2.cn