All from the Ver. 2.0 series. ^^
4th: Mass Productive Zaku II MS-06J Ver. 2.0
5th: Gundam Exia
6th: Strike Freedom Gundam
7th: F91
8th: God Gundam
9th: Acguy
10th: Gundam GP01
The result is compiled from separate votes from Hobby Japan and Dengeki Hobby. As shown at the recent Shizuoka Hobby Show 2010, the halfway result was pretty stable for Hobby Japan, with Gundam RX-78-2 Ver. 2.0 at first place, Mass Productive Zaku II MS-06J Ver. 2.0 at No. 2 and Zeta Gundam Ver. 2.0 at No. 3.
The result from Dengeki Hobby's poll fluctuated a lot though. Shown on the first day (May 13th): No. 1: Aile Stike Gundam, No. 2: Acguy, No. 3: Gundam RX-78-2 Ver. 2.0, but on the third day (May 15th): No. 1: God Gundam, No. 2: Char's Zaku II Ver. 2.0, No. 3: Acguy.
The final count for each magazine is as below:
[Hobby Japan]
1st: Gundam Ver. 2.0
2nd: Mass Productive Zaku II MS-06J Ver. 2.0
3rd: Zeta Gundam Ver. 2.0
4th: Dom
5th: F91
6th: S Gundam
7th: Gundam GP01
8th: Gundam Exia
9th: Strike Freedom Gundam
10th: Char's Zaku II Ver. 2.0
[Dengeki Hobby]
1st: God Gundam
2nd: Char's Zaku II Ver. 2.0
3rd: Acguy
4th: Gundam RX-78-2 Ver. 2.0
5th: Aile Strike Gundam
6th: Ex-S Gundam
7th: Mass Productive Zaku II MS-06F Ver. 2.0
8th: Gundam RX-78-2 Ver. Ka
9th: Zeta Gundam Ver. 2.0
10th: Gundam Exia
Information and images are from Gunpla 30th Anniversary's official site.