The XG Linker dodgy looking Chinese site, bad translation, but they sell through GBAx.com, whom I like already. They sell thru several other merchants, but this is the only UK based merchant. They have the 256MB kit (linker hardware etc + 256MB cart) at £96.99 + p&p. This solution is USB based, the smallest, fastest, and uses less GBA battery when being played. Nice. By the looks of it, this connects the cart direct to the USB gadget.
The only UK site I can really find is this same one - GBAx.com - so that's where we're looking for the other solutions also.
Next up - Flash2Advance Linker Kits. Another dodgy chinese site, better english though! This one is £99.99 for 256MB, connects to the gamelink port of the GBA, and writes data to the cart in the GBA itself.
Both support NES and ZX Spectrum ROMs, both support multiple games on one cart with a menu system. The Flash2Advance is supposedly twice as fast as the USB one, since it connects direct to the GBA..
Ok - here're the prices for each from a UK site and a US site, including delivery charges;
From GBAx;
The XG thing
Items in Cart: 1 XG USB 256 meg Kit (UK)
You are paying by Debit Card
Total Products Price: £ 96.99
VAT: £ 16.97 (17.5%)
Postage & Packing (24 hour special delivery) £ 6
Total Price: £ 119.96 ($ 189.53 - Euro 184.73)
F2A
Items in Cart: 1 Flash2Advance 256 meg Kit (UK)
You are paying by Debit Card
Total Products Price: £ 99.99
VAT: £ 17.49 (17.5%)
Postage & Packing (24 hour special delivery) £ 6
Total Price: £ 123.48 ($ 195.09 - Euro 190.15)
ok - XG is cheaper on this one. on to the US site now - GameGizmo;
F2A
1 Flash Advance Xtreme 256M Flash USB Linker Set Unit @ $179.97 = $179.97
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All prices are in US Dollars Subtotal 179.97
Shipping 16.00
Tax 0.00
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TOTAL 195.97
converted thanks to XE.com is: £124.326
XG thing
1 XG-Flash 256M Unit @ $168.00 = $168.00
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All prices are in US Dollars Subtotal 168.00
Shipping 16.00
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TOTAL 184.00
converted thanks to XE.com is: £116.737
hmmm... so next day delivery in the UK for the XG is 120 quid and from the US is 117 quid. hmmmm...
If I can find enough decent ROMs to make this worthwhile, then I may just get one of those... hmmm....