Move from a Canon hv10 to a newer and smaller HDV camcorder...worthed?

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Hello guys,
I own a Canon HV10 ow which I love :

1) its ultra-compact size

2) its beautyfull videos in high light conditions

and of which I hate:

1) low quality in low light

I was thinking maybe to buy a new smaller ultracompact HDV camcorder but I am puzzled if I am going to move to a worst camcorder or a better one or at the least of a same quality of my hv10.

I was looking at :

1) Sanyo HD1010

or

2) Sony HDR-TG3/TG1

but I am wondering if these 2 camcorders :

1) have at least the same low light ability of my hv10 . I would like not get worst videos in low lights in comparison to the ones that I get with my hv10...

2) have the same beautyfull high light videos of my hv10...

3) have more pixellating videos when slowing down video footages using the slow motion of a pc videoplayer

Can u please unswer me these 3 last questions, giving to me your impressions on these new ultracompact hdv camcorders ?

thank u